Achilles Guard, Inc., commonly known as Critical Watch, is a security, risk and compliance company based in Dallas, Texas. The company primarily manufactures computer vulnerability assessment software and Payment Card Industry (PCI) compliance software. The company is CVE-compatible and was co-founded in 2000 by Eva Bunker and Nelson Bunker.
On January 6, 2015, Alert Logic announced that it had acquired Critical Watch for its scanning and analysis capabilities