Bluepurple Pulse: week ending April 17th 🐰🥚🐤

Happy Easter

Welcome to the weekly highlights and analysis of the blueteamsec subreddit (and my wider reading).

Operationally this week we continued to work with a number of CERTs globally to mop up the Chinese intrusions. It is interesting to see the variances in capability around being able to take IoCs and victims and then follow-up, confirm intrusion and remediate. Beyond that the headlines have driven the tactical responses (ICS intrusions and North Korea etc.) .

In the high-level this week:

• US launched its full arsenal of legal tools against North Korea in response to the $620 million dollar Ronin Bridge crypto asset heist.

  • US Dept of Treasury added Lazarus to its sanctions list - interestingly they include the ETH address to try and stem crypto flows through US exchanges or anyone else supporting USD.

  • FBI put out a statement in a ‘we are watching you’ manner.

  • Then the analysis of the crypto currency movement in an article titled North Korea’s Lazarus Group Identified as Exploiters Behind $540 M…