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Some random and ultimately pointless commentary

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  • M Offline
    M Offline
    Marc Clifton
    wrote on last edited by
    #1

    From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

    Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

    F OriginalGriffO M M raddevusR 12 Replies Last reply
    0
    • M Marc Clifton

      From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

      Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

      F Offline
      F Offline
      F ES Sitecore
      wrote on last edited by
      #2

      Someone I know worked somewhere they were told to keep confidential files on their desktops rather than the C drive. Edit - file as in data file not physical file, and desktop as in Windows desktop, not their physical desk.

      M R 2 Replies Last reply
      0
      • M Marc Clifton

        From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

        Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

        OriginalGriffO Offline
        OriginalGriffO Offline
        OriginalGriff
        wrote on last edited by
        #3

        Marc Clifton wrote:

        how encryption protects your data when the computer is off is beyond me

        When the power goes off, the decryption key field that is generated by the processor fan stops, and the HDD then loses the ability to decrypt it's magnetically stored data. (With SSD drives, it's all down to little tiny Leprechauns who live in the SATA cable)

        Sent from my Amstrad PC 1640 Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

        "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
        "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

        M C W 3 Replies Last reply
        0
        • M Marc Clifton

          From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

          Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

          M Offline
          M Offline
          Mladen Jankovic
          wrote on last edited by
          #4

          Marc Clifton wrote:

          But how encryption protects your data when the computer is off is beyond me.

          [Cold boot attack - Wikipedia](https://en.wikipedia.org/wiki/Cold\_boot\_attack)

          M 1 Reply Last reply
          0
          • F F ES Sitecore

            Someone I know worked somewhere they were told to keep confidential files on their desktops rather than the C drive. Edit - file as in data file not physical file, and desktop as in Windows desktop, not their physical desk.

            M Offline
            M Offline
            Marc Clifton
            wrote on last edited by
            #5

            F-ES Sitecore wrote:

            to keep confidential files on their desktops rather than the C drive.

            :rolleyes: :laugh:

            Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

            1 Reply Last reply
            0
            • OriginalGriffO OriginalGriff

              Marc Clifton wrote:

              how encryption protects your data when the computer is off is beyond me

              When the power goes off, the decryption key field that is generated by the processor fan stops, and the HDD then loses the ability to decrypt it's magnetically stored data. (With SSD drives, it's all down to little tiny Leprechauns who live in the SATA cable)

              Sent from my Amstrad PC 1640 Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

              C Offline
              C Offline
              CodeWraith
              wrote on last edited by
              #6

              Remind me to integrate this stuff into the drivers my 82C55 DIY IDE controller.

              I have lived with several Zen masters - all of them were cats. His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.

              1 Reply Last reply
              0
              • OriginalGriffO OriginalGriff

                Marc Clifton wrote:

                how encryption protects your data when the computer is off is beyond me

                When the power goes off, the decryption key field that is generated by the processor fan stops, and the HDD then loses the ability to decrypt it's magnetically stored data. (With SSD drives, it's all down to little tiny Leprechauns who live in the SATA cable)

                Sent from my Amstrad PC 1640 Bad command or file name. Bad, bad command! Sit! Stay! Staaaay... AntiTwitter: @DalekDave is now a follower!

                M Offline
                M Offline
                Marc Clifton
                wrote on last edited by
                #7

                OriginalGriff wrote:

                the decryption key field that is generated by the processor fan stops

                Ah, that explains why I can never move a hard drive to another computer. The decryption key is specific to the unique quantum fluctuations of every computer's fan! ;) As to Leprechauns, I always new there was magic in this world!!!

                Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                1 Reply Last reply
                0
                • M Marc Clifton

                  From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

                  Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                  M Offline
                  M Offline
                  megaadam
                  wrote on last edited by
                  #8

                  Hype!! I found the only true guarantee for security here: [OneSafe Software – Official Website – Utility software for PC & Mac](https://onesafesoftware.com/software/) It makes your PC safe! But! I can see in the photos that it also makes Mac's safe! (Even if the ⌘-key is black.) :mad: What really bugs me is that frauds like this appear on big sites, in this case Yahoo! They should really be able to maintain a minimum degree of advertising hygiene.

                  ... such stuff as dreams are made on

                  M D 2 Replies Last reply
                  0
                  • M Mladen Jankovic

                    Marc Clifton wrote:

                    But how encryption protects your data when the computer is off is beyond me.

                    [Cold boot attack - Wikipedia](https://en.wikipedia.org/wiki/Cold\_boot\_attack)

                    M Offline
                    M Offline
                    Marc Clifton
                    wrote on last edited by
                    #9

                    > The attack relies on the data remanence property of DRAM and SRAM to retrieve memory contents that remain readable in the seconds to minutes after power has been removed. I was working with a video capture card (B&W) in the 80's. I had turned the machine off, pulled the card out of the slot and moved it to another computer, then booted that computer. Crazily, even after a couple minutes of no power, a good 80% of the image that had been in memory was still there and recognizable. We're talking minutes, not seconds, and not SRAM either.

                    Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                    R A 2 Replies Last reply
                    0
                    • M megaadam

                      Hype!! I found the only true guarantee for security here: [OneSafe Software – Official Website – Utility software for PC & Mac](https://onesafesoftware.com/software/) It makes your PC safe! But! I can see in the photos that it also makes Mac's safe! (Even if the ⌘-key is black.) :mad: What really bugs me is that frauds like this appear on big sites, in this case Yahoo! They should really be able to maintain a minimum degree of advertising hygiene.

                      ... such stuff as dreams are made on

                      M Offline
                      M Offline
                      Marc Clifton
                      wrote on last edited by
                      #10

                      megaadam wrote:

                      What really bugs me is that frauds like this appear on big sites, in this case Yahoo!

                      Anything that appears on Yahoo! is suspect, IMO. In fact, Yahoo! itself is a big fraud!

                      Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                      C M 2 Replies Last reply
                      0
                      • M Marc Clifton

                        megaadam wrote:

                        What really bugs me is that frauds like this appear on big sites, in this case Yahoo!

                        Anything that appears on Yahoo! is suspect, IMO. In fact, Yahoo! itself is a big fraud!

                        Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                        C Offline
                        C Offline
                        CodeWraith
                        wrote on last edited by
                        #11

                        Grrrrrrrrrrrr[^]

                        I have lived with several Zen masters - all of them were cats. His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.

                        1 Reply Last reply
                        0
                        • M Marc Clifton

                          From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

                          Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                          raddevusR Offline
                          raddevusR Offline
                          raddevus
                          wrote on last edited by
                          #12

                          security author wrote:

                          Simply locking your computer is not sufficient for encryption.

                          :confused: That's a terrible sentence leading to much confusion. Almost positive author meant:

                          Quote:

                          Locking your computer is not an effective security method (since files are not automatically encrypted).

                          Bad technical writing wastes so much time.

                          1 Reply Last reply
                          0
                          • M Marc Clifton

                            megaadam wrote:

                            What really bugs me is that frauds like this appear on big sites, in this case Yahoo!

                            Anything that appears on Yahoo! is suspect, IMO. In fact, Yahoo! itself is a big fraud!

                            Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                            M Offline
                            M Offline
                            megaadam
                            wrote on last edited by
                            #13

                            While that may be true, I was spewing anger over the general phenomenon of malware ads on very big sites.

                            ... such stuff as dreams are made on

                            D 1 Reply Last reply
                            0
                            • F F ES Sitecore

                              Someone I know worked somewhere they were told to keep confidential files on their desktops rather than the C drive. Edit - file as in data file not physical file, and desktop as in Windows desktop, not their physical desk.

                              R Offline
                              R Offline
                              Rage
                              wrote on last edited by
                              #14

                              This is probably meant to be read "instead of anywhere else on the C drive". There is a Windows Policy to backup the desktop at power off, and restore it at power on, so this makes somehow sense. If my computer crashes at work, I will have my desktop back including all the content just by logging on a new computer.

                              Do not escape reality : improve reality !

                              F 1 Reply Last reply
                              0
                              • R Rage

                                This is probably meant to be read "instead of anywhere else on the C drive". There is a Windows Policy to backup the desktop at power off, and restore it at power on, so this makes somehow sense. If my computer crashes at work, I will have my desktop back including all the content just by logging on a new computer.

                                Do not escape reality : improve reality !

                                F Offline
                                F Offline
                                F ES Sitecore
                                wrote on last edited by
                                #15

                                No, they thought the desktop was some kind of special entity of the operating system that only the person currently logged on could access. They had no idea it was just a folder on the drive and the desktop an application that renders those files as icons.

                                D K 2 Replies Last reply
                                0
                                • M Marc Clifton

                                  From the cybersecurity training: > Nonpublic information should only be saved to your network drive Why do we even have hard drives then on our computers? IMO, non-public information includes source code, proprietary in-house and third party documentation, and so forth. WTF? But this one: > The information on your computer is only fully protected by encryption when it is powered off or in hibernate mode. Simply locking your computer is not sufficient for encryption. :laugh: Yeah, information is definitely "protected" when the computer is off. But how encryption protects your data when the computer is off is beyond me. Maybe I'm not as smart as I thought. And unrelated, when I browsed over to norsecorp.com (live feed of cyberattacks, yeah, right) I got this (my bold): > This page is currently offline. However, because the site uses Cloudflare's Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Dude. You really don't want to use "currently offline" and "Always Online" in the same sentence. :laugh:

                                  Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                                  E Offline
                                  E Offline
                                  Eric Lynch
                                  wrote on last edited by
                                  #16

                                  I don't know what it is specific to the topic of cyber-security, but all of the training that's been foisted upon me has contained similar nonsense. This in itself would be bad, but that same training usually contains at least one dangerous bit of technically inaccurate information. Anyhow, the "currently offline" site that is "Always Online" made me burst out laughing...seriously, spittle was involved :) As I'm in the midst of some drudge work right now, the laugh was much appreciated.

                                  1 Reply Last reply
                                  0
                                  • F F ES Sitecore

                                    No, they thought the desktop was some kind of special entity of the operating system that only the person currently logged on could access. They had no idea it was just a folder on the drive and the desktop an application that renders those files as icons.

                                    D Offline
                                    D Offline
                                    dandy72
                                    wrote on last edited by
                                    #17

                                    Not knowing the exact situation, I might still give them the benefit of doubt and assume they were using folder redirection. You can set up folders - and the desktop is a perfectly good candidate - to be rerouted to some server share. I'm not a domain policy expert, but I'd be surprised if it couldn't be done and that some organizations are doing exactly that today.

                                    F R 2 Replies Last reply
                                    0
                                    • M megaadam

                                      Hype!! I found the only true guarantee for security here: [OneSafe Software – Official Website – Utility software for PC & Mac](https://onesafesoftware.com/software/) It makes your PC safe! But! I can see in the photos that it also makes Mac's safe! (Even if the ⌘-key is black.) :mad: What really bugs me is that frauds like this appear on big sites, in this case Yahoo! They should really be able to maintain a minimum degree of advertising hygiene.

                                      ... such stuff as dreams are made on

                                      D Offline
                                      D Offline
                                      dandy72
                                      wrote on last edited by
                                      #18

                                      megaadam wrote:

                                      What really bugs me is that frauds like this appear on big sites, in this case Yahoo! They should really be able to maintain a minimum degree of advertising hygiene.

                                      These days Yahoo will take anyone's advertising money.

                                      1 Reply Last reply
                                      0
                                      • M megaadam

                                        While that may be true, I was spewing anger over the general phenomenon of malware ads on very big sites.

                                        ... such stuff as dreams are made on

                                        D Offline
                                        D Offline
                                        dandy72
                                        wrote on last edited by
                                        #19

                                        It's not necessarily the size of the site that matters. Just wait until your bank does it.

                                        1 Reply Last reply
                                        0
                                        • M Marc Clifton

                                          > The attack relies on the data remanence property of DRAM and SRAM to retrieve memory contents that remain readable in the seconds to minutes after power has been removed. I was working with a video capture card (B&W) in the 80's. I had turned the machine off, pulled the card out of the slot and moved it to another computer, then booted that computer. Crazily, even after a couple minutes of no power, a good 80% of the image that had been in memory was still there and recognizable. We're talking minutes, not seconds, and not SRAM either.

                                          Latest Article - Building a Prototype Web-Based Diagramming Tool with SVG and Javascript Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                                          R Offline
                                          R Offline
                                          Rick York
                                          wrote on last edited by
                                          #20

                                          That's one reason why memory was so much slower back then. They used actual capacitors to retain the charge in the memory bit and apparently they had rather low leakage current so they could hold it for a while.

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