Associate Professor of Cybersecurity Law, US Naval Academy. Views my own and do not represent DOD, Navy, or USNA. jeffkosseff.comhttps://bsky.app/profile/jkosseff.bsky.socialhttps://bsky.app/profile/jkosseff.bsky.social/post/3mjzr52hzfs2iI’m thrilled to announce that I’m joining the faculty of the University of Minnesota, where I will be the Silha Professor of Media Ethics and Law and the Director of the Silha Center for the Study of Media Ethics and Law.21 Apr 2026 19:53 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mjzr52hzfs2ihttps://bsky.app/profile/jkosseff.bsky.social/post/3mjjywqy4os2oAn absolutely terrible idea. [contains quote post or other embedded content]15 Apr 2026 13:30 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mjjywqy4os2ohttps://bsky.app/profile/jkosseff.bsky.social/post/3mi5onmgopc2sIn 2022, I published a book about the importance of anonymity to free speech. I knew that anonymity was under attack globally but never imagined its collapse would be this fast.28 Mar 2026 22:29 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mi5onmgopc2shttps://bsky.app/profile/jkosseff.bsky.social/post/3mi4ruu3fn22kWhen we look back at the death of the open and free global internet, the legislative and judicial developments of 2026 will play a starring role. [contains quote post or other embedded content]28 Mar 2026 13:54 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mi4ruu3fn22khttps://bsky.app/profile/jkosseff.bsky.social/post/3mi3aeq6smc2kJacob Mchangama and I have a piece in the WSJ about the dangers of regulating online speech. https://www.wsj.com/politics/social-media-freedom-speech-meta-youtube-ruling-32aaee3b?st=dPJJCm&reflink=article_copyURL_share27 Mar 2026 23:08 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mi3aeq6smc2khttps://bsky.app/profile/jkosseff.bsky.social/post/3mh3qwblq5c2hI imagine that the New York Times won’t correct the latest error about Section 230 on its op-ed page, but it should.15 Mar 2026 10:39 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mh3qwblq5c2hhttps://bsky.app/profile/jkosseff.bsky.social/post/3mehek3k5s22qIn 2022, I wrote a book about the history of anonymous speech because I was worried that we eventually would lose the ability to be anonymous online. I did not predict how quickly it would happen. https://www.theverge.com/tech/875309/discord-age-verification-global-roll-out?fbclid=IwZnRzaAP3LQlleHRuA2FlbQIxMQBzcnRjBmFwcF9pZAo2NjI4NTY4Mzc5AAEeOCKHJm9a8rzUDyend98Anl9eQhA1pWRuxiQKl_U_YKJDawWSNln7mnuqT6M_aem_FBH8fjrKSu9aEdiEdszJ5Q09 Feb 2026 21:14 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mehek3k5s22qhttps://bsky.app/profile/jkosseff.bsky.social/post/3medwlutu5k26Will Section 230 last another 30 years?08 Feb 2026 12:27 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3medwlutu5k26https://bsky.app/profile/jkosseff.bsky.social/post/3mec252s4ws2pA very special someone has a big birthday tomorrow.07 Feb 2026 18:25 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3mec252s4ws2phttps://bsky.app/profile/jkosseff.bsky.social/post/3m5ok3v3qbs2gA huge honor to receive the latest review of our book from one of my free speech heroes.15 Nov 2025 15:46 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3m5ok3v3qbs2ghttps://bsky.app/profile/jkosseff.bsky.social/post/3lv4pcebv222sOur book has a cover and I love it! Coming in April 2026.29 Jul 2025 18:09 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lv4pcebv222shttps://bsky.app/profile/jkosseff.bsky.social/post/3lt3quyteg22xThe webpage for our forthcoming book! https://www.press.jhu.edu/books/title/53896/future-free-speech03 Jul 2025 22:15 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lt3quyteg22xhttps://bsky.app/profile/jkosseff.bsky.social/post/3lqi7pimqgk2rsame [contains quote post or other embedded content]31 May 2025 16:56 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lqi7pimqgk2rhttps://bsky.app/profile/jkosseff.bsky.social/post/3lq3lobdczk2hHave you been sent here from another planet to destroy me? [contains quote post or other embedded content]26 May 2025 16:26 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lq3lobdczk2hhttps://bsky.app/profile/jkosseff.bsky.social/post/3lq3jru7p7k2hCountries routinely use hate speech laws to punish political dissent and criticism of public officials. [contains quote post or other embedded content]26 May 2025 15:52 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lq3jru7p7k2hhttps://bsky.app/profile/jkosseff.bsky.social/post/3lpz2iio5ys2gah, I’ve missed Bluesky [contains quote post or other embedded content]25 May 2025 16:13 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lpz2iio5ys2ghttps://bsky.app/profile/jkosseff.bsky.social/post/3lpxlxdbbzc2sIt’s happening.25 May 2025 02:20 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lpxlxdbbzc2shttps://bsky.app/profile/jkosseff.bsky.social/post/3lpwuca5nks2vIt doesn’t need to be this way.24 May 2025 19:17 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lpwuca5nks2vhttps://bsky.app/profile/jkosseff.bsky.social/post/3ll7j3kjs522vThe fourth edition of Cybersecurity Law will be published on Oct. 14! A new chapter on Internet of Things, along with many new sections on topics such as CIRCIA, the SEC cybersecurity regs, geofence warrants, and the impact of Van Buren on CFAA litigation.25 Mar 2025 14:44 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3ll7j3kjs522vhttps://bsky.app/profile/jkosseff.bsky.social/post/3lj3i6g6er22qSo this is concerning, especially because last year SCOTUS denied cert in a case challenging the constitutionality of criminal defamation laws. https://www.foxnews.com/us/proposed-idaho-state-law-could-make-some-lies-felony-crime-prison-time.amp26 Feb 2025 13:27 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lj3i6g6er22qhttps://bsky.app/profile/jkosseff.bsky.social/post/3liwcmy2zp22dSo this happened last night.24 Feb 2025 12:04 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3liwcmy2zp22dhttps://bsky.app/profile/jkosseff.bsky.social/post/3liepvtxgrs2uPretty amazing that 60 Minutes does an entire segment about Germany prosecuting people for online posts and does not include even one voice raising free speech concerns. The segment looks like it was produced by the German government. https://www.cbsnews.com/news/policing-speech-online-germany-60-minutes-transcript/17 Feb 2025 12:14 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3liepvtxgrs2uhttps://bsky.app/profile/jkosseff.bsky.social/post/3lg4jduixk22uWho knows if TikTok will remain back online or who will own it in the long run. But Friday’s Supreme Court opinion will cause enduring damage to the First Amendment.19 Jan 2025 19:05 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lg4jduixk22uhttps://bsky.app/profile/jkosseff.bsky.social/post/3lg46vuxnkc2oStill amazed that SCOTUS didn’t even try to hide the censorship motivation.19 Jan 2025 15:58 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lg46vuxnkc2ohttps://bsky.app/profile/jkosseff.bsky.social/post/3lg3z2kbk322eYou realize that you are saying this on social media? [contains quote post or other embedded content]19 Jan 2025 14:13 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lg3z2kbk322ehttps://bsky.app/profile/jkosseff.bsky.social/post/3lg3wdhsfgs2eThis free speech mess was brought to you by all three branches of government. Great job, guys.19 Jan 2025 13:25 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lg3wdhsfgs2ehttps://bsky.app/profile/jkosseff.bsky.social/post/3lfze3d52622mThere is another important TikTok case at SCOTUS. TikTok likely will file a cert petition in Anderson v. TikTok, a Third Circuit opinion that narrowly construed Section 230. TikTok has retained Paul Clement and received an extension to file until Feb. 20.18 Jan 2025 12:53 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lfze3d52622mhttps://bsky.app/profile/jkosseff.bsky.social/post/3lfx67zgec22b17 Jan 2025 16:03 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lfx67zgec22bhttps://bsky.app/profile/jkosseff.bsky.social/post/3lfiqxp7bsk2lBreyer’s latest HLR article reminds me why I am thankful for the writing styles of Kagan and Barrett.11 Jan 2025 22:28 +0000at://did:plc:4ppr4feitpgvwvxbkkdddbol/app.bsky.feed.post/3lfiqxp7bsk2l