Aaron R. Warner
Aaron R. Warner is the founder and CEO of ProCircular, an information Security and Privacy firm focusing on midsized businesses. A former CIO and CTO of Integrated DNA Technology, he’s spent more than two decades working in IT and InfoSec. Mr. Warner is a Certified Information Systems Security Professional (CISSP) and certified Securiity+ engineer, and a full member of the FBI/DHS Infragard partnership. Mr. Warner has earned an MBA from the Tippie School at the University of Iowa, and enjoys cave diving, playing music, a good bottle of wine and above all time with his family.
Two weeks ago, Anthropic announced that its newest AI model was too dangerous to release to the public. The Claude Mythos Preview reportedly found critical software vulnerabilities, including some that had gone undetected for over twenty years. In response, Anthropic launched Project Glasswing, a $100 million coalition that includes Apple, Microsoft, Google, AWS, JPMorgan Chase, CrowdStrike, the Linux Foundation, and about fifty other major industry players. Their goal is to find and fix the most serious issues before attackers do. That was the main story.
Read More
Topics:
AI,
Artificial Intelligence,
Claude,
Mythois,
Offensive Security,
AI Cyber
If you've been in cybersecurity long enough, you develop a reflex: dramatic claims usually aren't true. So when a tweet started circulating in early April 2026 alleging 10 petabytes of data had been stolen from China's National Supercomputing Center in Tianjin—including defense documents and missile research—my reaction was the same as most practitioners: prove it. This brings us to the crucial question: did it really happen?
Read More
Topics:
Cybersecurity,
Penetration Testing,
Monitoring,
MXDR,
Policies & Procedures,
china
I spoke with a reporter this morning who asked me a simple question: Why do kids turn to cybercrime? After some fun and genuinely insightful conversations with my colleagues at ProCircular, ages 20 to 55+, here’s what we were able to cobble together.
Read More
Topics:
Cybersecurity,
Cybersecurity Consulting
It’s hard to believe that we survived 2024, and with 2025 finally here, we thought we would present where ProCircular sees the world headed. The cybersecurity landscape continues to evolve at a breakneck pace, driven by AI-enabled threats and an increasingly complex world. From deepfake videos to targeted social engineering, attackers are finding new ways to exploit trust and access critical systems.
Read More
Topics:
Cybersecurity,
Network Security,
Data Breach,
Information Security,
Data Security,
Data Protection,
Security Awareness Training,
healthcare,
hacking,
Manufacturing,
Passwords,
risk,
Ransomware,
Banking,
Financial Institutions
CDK Global, a leading provider of integrated technology solutions to the automotive industry, suffered a severe ransomware attack. The attack was attributed to the BlackSuit ransomware group, known for its sophisticated and targeted operations. The impact of the attack was widespread, not only affecting CDK Global’s operations but also had a ripple effect on thousands of auto dealerships that rely on CDK Global’s dealer management systems (DMS) and service operation solutions. The incident caused significant operational disruptions and is expected to have a large, but unknown impact on dealership financial losses due to the downtime during a high-volume season.
Read More
Topics:
Cybersecurity,
Network Security,
Information Security,
Data Security,
Data Protection,
risk
