flâneur

Hinson Chan

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on the atlas — 16

highlights — 12

  • firmware Secure Erase command (for Advanced Technology Attachment [ATA] drives only) and degaussing 37 .
    Technical guide to information security testing and assessment
  • Although assessments are planned to prevent or limit operational impact, there is always a chance of accidental or unexpect ed complications. Every test conducted should be recorded with a timestamp, test type, tool used, commands, the IP address of testing equipment, etc. It is recommended that a loggi ng script be used to capture all commands and keystrokes used during the testing process. Term inal and GUI tools exist that can record a tester’s actions, and this type of recording can also assist in countering accusations that testing has negatively impacted operations and system perfo rmanc…
    Technical guide to information security testing and assessment
  • Technical Tools and Resources Selection
    Technical guide to information security testing and assessment
  • Most vulnerabilities exploited by penetration testing fall into the following categories:
    Technical guide to information security testing and assessment
  • Figure 5-2. Attack Phase Steps with Loopback to Discovery Phase
    Technical guide to information security testing and assessment
  • Password cracking can also be performed with rainbow tables , which are lookup tables with pre- computed password hashes. For example, a rainbow table can be created that contains every possible password for a given character set up to a certain character length. Assessors may then search the table for the password hashes that they are trying to crack. Rainbow tables require large amounts of storage space and can take a long time to generate, but their pr imary shortcoming is that they may be ineffective against password hashing that uses salting .
    Technical guide to information security testing and assessment
  • All basic scanners can identify active hosts and open por ts, but some scanners are also able to provide additional information on the scanned hosts. Informa tion gathered during an open port scan can assist in identifying the target operating system through a process called OS fingerprinting . For example, if a host has TCP ports 135, 139, and 445 open, it is probably a Windows host, or possibly a Unix host running Samba.
    Technical guide to information security testing and assessment
  • SYN/FIN scan, NULL scan
    Technical guide to information security testing and assessment
  • Examples of log information that may be useful wh en conducting technical security assessments include:
    Technical guide to information security testing and assessment
  • External testing often begins with reconnaissance tec hniques that search public registration data, Domain Name System (DNS) server information, newsgroup pos tings, and other publicly available information to collect information (e.g., system names, Internet Pr otocol [IP] addresses, operating systems, technical points of contact) that may help the assessor to iden tify vulnerabilities.
    Technical guide to information security testing and assessment
  • 1:14:55 JUMPER: We can easily predict all known sequences in a month. All known sequences in a month? -Yeah, easily. -Mmm-hmm? 1:15:00 JUMPER: A billion, two billion. Um, and they're... So why don't we just do that? Yeah. -We should just do that a lot. -Well, I mean... 1:15:06 That's way better. Why don't we just do that? SENIOR: So that's one of the options. -HASSABIS: Right. -There's this... 1:15:12 We should just... Right, that's a great idea. We should just run every protein in existence. 1:15:18 And then release that. Why didn't someone suggest this before? Of course that's what we should…
    The Thinking Game | Full documentary | Tribeca Film Festival official selection - YouTube
  • Multiplication f ( x,y ) = xy . A [2 , 5 , 1] KAN is pruned to a [2 , 2 , 1] KAN. The learned acti- vation functions are linear and quadratic. From the computation graph, we see that the way it computes xy is leveraging 2 xy = ( x + y ) 2 − ( x 2 + y
    KAN