Defense-in-Depth, Part 3

In the first blog post in this series, defense-in-depth was defined as a military defensive strategy that focused on physical security: “Defense-in-depth is a defensive strategy designed to protect by using multiple layers of mutually supporting or reinforcing...

Received OPM Breach Notification Letter

OPM Notification and Response Today I received a breach notification letter from the US Office of Personnel Management.  My wife received one, too.  We are affected because we have both been subject to numerous “single-scope background investigations”...

U.S. Office of Personnel Management Breach

Initial Report of Breach On April 4, 2015, the US Office of Personnel Management (OPM) discovered that the personnel data of 4.2 million current and former Federal government employees had been stolen. Information such as full name, birth date, home address and Social...

Anthem, Inc. Data Breach

Initial Report of Breach On February 4, 2015 Anthem, Inc., the second-largest for-profit managed health care company in the United States, announced that it had suffered a massive data breach. Hackers gained access to a corporate database reportedly containing...

Welcome to the Cyber Lessons Learned Blog!

Welcome! The mission of the Cyber Lessons Learned blog is to help improve the state of cybersecurity, everywhere.   The Cyber Lessons Learned blog will accomplish that by allowing anyone who is responsible for maintaining security of information to have access to...
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