David McGuire

@davidpmcguire

CEO

Greater Seattle Area
linkedin.com/in/davidmcguire
Joined July 2011
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  1. Retweeted
    20 hours ago

    Another instance where encourages us to rethink our views on digital signature validation.

    93 retweets 158 likes
  2. Retweeted
    23 hours ago

    How sure are you that "(Verified) Microsoft Windows" refers to a program that actually originates from Microsoft? Code Signing Certificate Cloning Attacks and Defenses

    2 replies 195 retweets 334 likes
  3. Retweeted
    Dec 20

    Shout out to the crew for making AD ACLs quickly enumerable. Used them today to add a low privileged compromised user to "Group A", "Group A" members had permissions to add to Domain Admins.

    3 replies 25 retweets 110 likes
  4. Retweeted
    Dec 19

    We've open sourced our framework for developing alerting and detection strategies for incident response. We have also included several internal strategies as examples to spur greater sharing and collaboration with defenders.

    10 replies 246 retweets 456 likes
  5. Retweeted
    Dec 15

    Are you really ready for ? What does your data look like? Data Availability != Data Quality

    3 replies 122 retweets 197 likes
  6. Retweeted
    Dec 14

    Our CEO, , will be on a panel today discussing this year’s big lessons learned and recommendations for breach prevention in the new year with , , Ashton Mozano, and Jon Green . Tune in at 1pm Eastern

    4 retweets 11 likes
  7. Retweeted
    Dec 12

    Our February training offering of Adversary Tactics: Red Team Operations is officially sold out. Waitlist is available. More course offerings to be announced shortly.

    6 replies 12 retweets 28 likes
  8. Retweeted
    Dec 11

    Cobalt Strike 3.10 – Хакер vs. 肉雞

    6 replies 98 retweets 154 likes
  9. Retweeted
    Dec 8

    The slides from the CALDERA presentation at have been posted

    2 replies 87 retweets 147 likes
  10. Retweeted
    Dec 5

    If you're attending , don't miss the Arsenal demos of our Automated Collection & Enrichment (ACE) platform at with and tomorrow (12/6) from 10:00 - 11.35 at Station 1

    3 replies 8 retweets 14 likes
  11. Retweeted
    Dec 5

    I did a quick write-up on my method of getting BadIntent for Android set up.

    1 reply 36 retweets 46 likes
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  12. Retweeted
    Dec 5

    Check out the new post from our on building covert red team attack infrastructures

    117 retweets 145 likes
  13. Retweeted
    Dec 5

    [blog] Designing Effective Covert Red Team Attack Infrastructure

    142 retweets 212 likes
  14. Retweeted
    Dec 3

    As a red teamer, if you ever have the opportunity to work a threat hunting or IR engagement, you should jump at the opportunity! You will be humbled by the challenges defenders deal with at scale and you will gain valuable insight into how they baseline normal and triage alerts.

    19 replies 139 retweets 445 likes
  15. Retweeted
    Nov 27

    Our resident application whitelisting breaker/expert, shows us the steps involved in developing one of the most strict types of Device Guard code integrity policies.

    90 retweets 134 likes
  16. Retweeted
    Nov 17

    Had an amazing time with this week taking their Adversary Tactics Powershell course. A great primer for those looking to spread their wings in offsec security research!

    1 reply 2 retweets 6 likes
  17. Retweeted
    Nov 16

    Really enjoyed the PowerShell training. Each day had at least a couple of "Ah-ha" moments. Easily some of the best training I've been in.

    1 reply 5 retweets 31 likes
  18. Retweeted
    Nov 17

    , ' newest employee. I'm grateful to be able to learn some awesome new defensive techniques and methodology from him.

    1 reply 6 retweets 30 likes
  19. Retweeted
    Nov 16

    Sincerest thank you and kudos to the for their Adversary Powershell course. Easily one of the most difficult, rewarding, and inspiring courses I've taken in my career. Defenders would be remiss not to take any training offered by them.

    3 replies 13 retweets 53 likes
  20. Retweeted
    Nov 16

    [Blog] Lateral Movement Using Outlook’s CreateObject Method and DotNetToJScript

    7 replies 422 retweets 570 likes

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