Red Siege Welcomes Corey Overstreet

By Red Siege | May 23, 2019

Overstreet is an experienced penetration tester and red team operator and has been engaged with Fortune 500 organizations across a variety of industries, including financial services, government services, and healthcare. He also has more than five years of systems administration and VMWare administration experience.

“Corey brings the professionalism and expertise synonymous with Red Siege and will help us continue to grow and expand while offering additional value to our clients,” said Red Siege founder Tim Medin.

Overstreet has participated as a member of the SECCDC Red Team since 2016. Corey is a credentialed OSCE and OSCP, and is currently pursuing the Offensive Security Exploitation Expert (OSEE) certification. He can be found at on Twitter and LinkedIn.

“Red Siege is doing great work and is making an impact in the information security world,” Overstreet said. “I am proud to be a part of this team and jump feet first into the work of helping making organizations more secure.”

Adventures in Shellcode Obfuscation! Part 4: RC4 with a Twist

By Red Siege | July 8, 2024

by Mike Saunders, Principal Security Consultant This blog is the fourth in a series of blogs on obfuscation techniques for hiding shellcode. You can find the rest of the series […]

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Adventures in Shellcode Obfuscation! Part 4: RC4 with a Twist

Adventures in Shellcode Obfuscation! Part 3: Encryption

By Red Siege | July 1, 2024

By Mike Saunders, Principal Security Consultant   This blog is the third in a series of blogs on obfuscation techniques for hiding shellcode. You can find the rest of the […]

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Adventures in Shellcode Obfuscation! Part 3: Encryption

Phone Switch Labs CTF – Walk-Through

By Red Siege | June 26, 2024

by Douglas Berdeaux, Senior Security Consultant CTF redsiege.com/phoneswitch Getting Started Phone phreaking is the practice of exploring and hacking telephones, telephone switches, telephone test equipment, and physically exploring the telephone […]

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Phone Switch Labs CTF – Walk-Through

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