Home › Orbital Mechanics › Tom Kief Net Worth... Tom Kief Net Worth By Marcus Vance • Oct 13, 2026 • 1 min read Discover in-depth coverage on Tom Kief Net Worth. Tom Kief net worth is $300,000 Marcus Vance Cybersecurity & Digital Privacy Researcher Twitter Github Linkedin Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.