Michael Bazzell is a well-known expert in OSINT and has over 20 years of experience in the field. He has worked as a law enforcement officer and has provided training and consulting services to various government agencies, corporations, and individuals. Bazzell is also the author of several other books on OSINT and online investigations.

Bazzell’s curriculum is famous for its depth. If you are reading the latest edition, you can expect to master several key areas:

It replaces dozens of disparate blog posts with a single, unified workflow. Linux builds recommended in the latest edition?

As she dug deeper, Sarah discovered a suspicious individual who had been seen lurking around Mrs. Johnson's neighborhood on the day of the theft. The individual, known only by their alias "Nightshade" on a local online forum, seemed to have a fascination with jewelry and had posted about their "collection" online.

Bazzell releases updated versions of his books almost annually. A PDF of Open Source Intelligence Techniques from 2015 is effectively a history book today. The URLs, software tools, and social media interfaces described in older copies will no longer work. In the fast-paced world of cyber intelligence, using a five-year-old manual is often worse than having no manual at all.