The new DOD manual is the first since 1956 (pdf; 1,176 pages, with the Cyber Operations portion (Chapter XVI) spanning 15 pages in the pdf, from page 994 to 1009).
Professor Kristen Eichensehr (UCLA Law School) writing at JustSecurity discusses how the new manual’s provisions treat hacking incidents such as the OPM hack.
Just Security’s “mini forum” (series of related posts) on the new Law of War Manual.
“Countdown to Zero Day – Stuxnet and the Launch of the World’s First Digital Weapon” by Kim Zetter: “Stuxnet, as it came to be known, was unlike any other virus or worm that came before. Rather than simply hijacking targeted computers or stealing information from them, it escaped the digital realm to wreak physical destruction on equipment the computers controlled.” – excerpt at Wired
“The Coming Swarm: DDOS Actions, Hacktivism, and Civil Disobedience on the Internet” by Molly Sauter (pay what you want ebook)
“Information Doesn’t Want to Be Free: Laws for the Internet Age” by Cory Doctorow