
Trusted guides for the technology & cybersecurity trail ahead.
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A timeline of important events since the dawn of cybersecurity, and some of our team's contributions across the years.
Rule4 co-founder rewrites parts of popular UNIX/Linux tool sudo. See more about the History of Sudo.
4.3BSD-Reno UNIX is released, and includes mostly AT&T-free kernel source and MIPS processor support by Rule4 co-founder — code that lives on today in every iPhone, Android, and MacOS system.
Rule4 co-founder discovers a hacker in Colorado SuperNet systems; this discovery eventually leads to the arrest and conviction of now-famous industry evangelist Kevin Mitnick.
“Unix System Administration Handbook,” 2nd edition is released. A Rule4 co-founder is a primary author.
Rule4 co-founders create “Boulder Is for Startups” campaign acknowledging Boulder’s growing tech dominance.
ViaWest + AppliedTrust is acquired by Peak10 and changes name to Flexential but remains in technology/datacenter industry.
Rule4 is founded.
Rule4 is ranked #4 on Outside’s list of the 50 Best Places to Work in 2021.
Trusted guides for the technology & cybersecurity trail ahead.
3002 Bluff Street, Suite 100, Boulder, Colorado 80301 720.580.5888 | 888.4THEFOX | Contact Us
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