PROCIRCULAR BLOG

Educating your business on the importance of cybersecurity

Lessons from Strkyer: Dual Controls, Multi-Admin Approval & Recent Cyberattacks

Posted by Keegan Paisley on Mar 18, 2026 3:13:06 PM

Written by Willie Zhang and Keegan Paisley

On March 11th, medical technology manufacturer Stryker disclosed a cybersecurity incident affecting its internal IT systems. The attack caused a global disruption to the company's Microsoft environment. Stryker activated its incident response process and brought in outside cybersecurity specialists.

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Topics: Cybersecurity, Information Security, Incident Response, healthcare, Compliance, GRC

When Every Minute Counts: A Guide to Incident Recovery

Posted by Corey Staas on Mar 12, 2026 7:45:00 AM

A cybersecurity incident doesn't pause while your team figures out what to do next. Every minute an attacker remains in your environment, they have more time to expand their foothold, exfiltrate data, or encrypt additional systems — and the business is losing money the entire time. But here's the critical nuance most organizations miss: the goal isn't to start recovering as fast as possible. It's to understand what you're dealing with and contain the incident first.

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Topics: Data Breach, Information Security, Incident Response, cybersecurity insurance, Cybersecurity Consulting

StealthCraft: Unveiling the Path to Total Domain Domination

Posted by Alexis Diediker on Apr 2, 2025 12:05:55 PM

With EDR (Extended Detection and Response) becoming more necessary and common, it begs the question of what tactics and techniques are evading these protections. ProCircular recently conducted a penetration test involving evasion methods that did just that by successfully bypassing EDR protections by leveraging lay-of-the-land tools and incident response techniques. Our objective was to achieve full domain compromise within the targeted network, demonstrating the vulnerabilities and potential weaknesses that need to be addressed for robust cybersecurity. A walkthrough of the attack can be examined below.

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Topics: Cybersecurity, Penetration Testing, Incident Response, hacking

KAPE: The Weaponization of DFIR Tools

Posted by Alexis Diediker on Apr 1, 2025 9:43:16 AM

As businesses evolve to achieve higher security maturity, threat actors and penetration testers must also rise to the challenge. Modern third-party security applications such as Endpoint Detection and Response (EDR), Extended Detection and Response (XDR), Windows Defender products, and application allowlists have made offensive tools obsolete. Gone are the days when all a penetration tester needed was a remote shell or desktop connection to extract user data and credentials from local machines and domain controllers. Instead of fighting against signature-based and obfuscation methods, attackers are turning to digital forensics incident response (DFIR) tools, like KAPE, to get the dirty work done for them. After all, you never have to sneak into the party if the bouncer thinks you’re already on the list.

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Topics: Cybersecurity, Incident Response, hacking

Now Open: The FCC’s Schools and Libraries Cybersecurity Pilot Program

Posted by ProCircular Team on Sep 17, 2024 3:31:11 PM

The FCC’s Schools and Libraries Cybersecurity Pilot program is now open for FCC Form 484 Part 1and we’d like to take a moment to help qualifying organizationsget the most bang from their submission.  

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Topics: Cybersecurity, Information Security, Data Protection, Penetration Testing, Incident Response, Monitoring, MXDR

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ProCircular is a Full-Service Information Security Firm

We are passionate about helping businesses navigate the complex world of information security, and our blog is another great source of inforamtion. We can assist you no matter where you are in your security maturity journey:

  • Breached or hit with ransomware?
  • Don't know where to start? 
  • Looking to confirm your security with a third party?

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