5 public-domain matches

Hacktivism

Cover of Ethical Hacking

Ethical Hacking

Alana Maurushat

Cover of Medieval Hackers

Medieval Hackers

Kathleen E. Kennedy

Cover of The Coming Swarm

The Coming Swarm

Molly Sauter

Cover of Cybersecurity Threats with New Perspectives

Cybersecurity Threats with New Perspectives

Unknown author

Cover of Bodies of Information

Bodies of Information

Unknown author