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Purple > Red + Blue - Sans Hackfest Hollywood, ...

Purple > Red + Blue - Sans Hackfest Hollywood, October 2024

Presentation at the Sans Hackfest Hollywood, October 2024.

More about the conference at https://www.sans.org/blog/a-visual-summary-of-sans-hackfest-summit-2024/.

Mark Hillick

February 11, 2025
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  1. Sans Hackfest: 2024-10-28 whoami timeline (purple/red/blue) XXXX I was born

    in Derry, Ireland. First computer was an Amstrad CPC 464, favourite game was Shinobi but preferred sports over computers, and still would today. 2000 Graduated from college and started working on an Internet Infrastructure team, learning about firewalls, dns, anti-virus etc. 2016 Moved to the US Owned all “player security”, including “anti cheat” where we built my first “purple” team. 2008 Final requirement for GSE - proctored GSEC, and met Steve Sims for the first time :) 2021 Joined Brex Led all of Security, now the CISO. Integrated purple into how we operate 2013 Took on my first security leadership role @ Riot Games - building a team and program from scratch, making every mistake in the book. 2000 2013 XXXX 2010 2016 2021 2024 2024 Sans Hackfest Los Angeles
  2. Sans Hackfest: 2024-10-28 Why get into Cybersecurity? Constant learning &

    challenge Lucrative salaries Diverse career paths 01 02 03 04 05 High demand & job security Stopping bad guys
  3. Sans Hackfest: 2024-10-28 This is not a technical talk, itʼs

    about something more difficult ….. People, building & serving the business Well…
  4. Sans Hackfest: 2024-10-28 Iʼm realistically assuming that youʼre not working

    at a 3-letter agency or government with nation state attackers on a daily basis Assumption
  5. Sans Hackfest: 2024-10-28 I leveraged ChatGPT/Dalle for all of my

    diagrams/images. Thank you AI <3 Disclaimer
  6. Sans Hackfest: 2024-10-28 What? What about a blue team? 01

    02 03 So what is a red team? A purple team?
  7. Sans Hackfest: 2024-10-28 What? The defensive team that analyzes attacks

    and develops ways to prevent and mitigate them. Blue Team members monitor systems, detect suspicious activity, and respond to incidents. 01 02 03 The offensive team that simulates cyberattacks to identify vulnerabilities and test incident response. Red Team members are experts in offensive security, such as ethical hackers and penetration testers. Facilitates communication and collaboration between Red and Blue teams to improve an organization's security posture. Huh???
  8. Sans Hackfest: 2024-10-28 Recruited from the industry - referrals &

    official job ads Evolution to include a “red” team Not really purple - why? 01 02 03 04 05 SOC -> Blue team Created sub-teams :ugh:
  9. Sans Hackfest: 2024-10-28 Goal of making your colleagues look bad

    Sending the report to the boss rather than the blue team Simply disconnecting / removing accounts 01 02 03 04 05 Not sharing TTPs or IOCs Different roadmaps Disconnects
  10. Sans Hackfest: 2024-10-28 Everyone building Hired from the community Breakers

    defending 01 02 03 04 05 Same North Star Everyone together - builders, breakers etc Purple Anti-Cheat
  11. Sans Hackfest: 2024-10-28 Wins Increased player numbers & enjoyment Vanguard

    High game integrity 01 02 03 04 05 Packman More revenue
  12. Sans Hackfest: 2024-10-28 Itʼs ok to operate as an attacker,

    but the end goal is to: • secure your company • improve the security of the company not “hack” your employer Remember
  13. Sans Hackfest: 2024-10-28 Why do Security teams exist? Ensure products

    are shipped securely Reduce security risk to the business and the customers Make the secure way, the “easy” way, i.e. the default behaviour 01 02 03 04 05 Serve the business Enable the company to pass the various security compliance standards, and continue to operate
  14. Sans Hackfest: 2024-10-28 Integration @ Riot SPL Transparent, public RCAs

    Integrate red teaming into security review & launch process 01 02 03 04 05 RFCs Iterate, iterate, iterate
  15. Sans Hackfest: 2024-10-28 Integration @ Brex Integrate red teaming into

    security review process Same rituals together (demos, stand-ups) Encourage red and blue teamers to have 1-1s 01 02 03 04 05 Same team, i.e. same reporting structure below CISO Share - reports, code, alerting configuration, tooling etc
  16. Sans Hackfest: 2024-10-28 SPL @ Brex Pen Test Design docs,

    Slack Channels, Same Tooling Secure code reviews 01 02 03 04 05 We go to where our engineers are Vuln Mgmt Process - Red Team & GRC own
  17. Sans Hackfest: 2024-10-28 What? What about a red team? 01

    02 03 So what is a blue team? A purple team?
  18. Sans Hackfest: 2024-10-28 Wrapping Up Build into rituals & default

    Donʼt be an a**hole Audience focused 01 02 03 04 05 Security is here to serve the business Share & iterate, share & iterate