Authentication Survival Guide: DEF CON 33.

The internet is a dangerous place, often disgusting and ruthless… but it’s also full of jokes, funny cats and creativity. Equivalent exchange and all that. So when the latest batch of Epstein files dropped, users online got to work and unleashed their processing power. Sources: https://zurl.co/9bHWT https://zurl.co/CdQIm #shorts

Haribo Gummy Bears burning your house down? Yes and no, but definitely not in the way that's on your mind right now. Source: https://zurl.co/WNcQU #security #haribo #powerbank #shorts

Remember, ChatGPT is not a doctor! - I was preaching just a few months ago. Well, apparently ChatGPT itself has a second opinion, as Open AI just announced the creation of ChatGPT Health - a special section where you can talk to the model about your health and well-being. Source: https://zurl.co/1caI9 #ai #chatgpt #cybersecurity

Meta has officially admitted that in 2024, around 10 per cent of their income, so around 16 billion dollars, came from fraud-related adverts - at the same time, its directors come out to the media and proclaim that they consider safety “extremely important”, while all the big bad European Union ever does is SUFFOCATE innovation. Sources: https://oko.press/meta-krocie-na-oszustwach-i-skarzy-sie-na-regulacje-ue https://www.reuters.com/investigations/meta-is-earning-fortune-deluge-fraudulent-ads-documents-show-2025-11-06/?utm_source=chatgpt.com

🎰 I had the opportunity to speak at Crypto & Privacy Village at DEF CON 33 about how the authentication mechanisms evolved over the years. Here is the recording. 🔗 Here you can find the links to presentation and contact to me: https://matt.chrobok.eu/ Relevant xkcd: https://xkcd.com/2522/ © All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement. My socials: Instagram @mattchrobok https://www.instagram.com/mattchrobok/ Twixxer @ChrobokMatt https://twitter.com/ChrobokMatt Mastodon https://infosec.exchange/@mateuszchrobok LinkedIn @mateuszchrobok https://www.linkedin.com/in/mateuszchrobok/ TikTok @matt.chrobok Facebook https://www.facebook.com/mattchrobok #DEFCON #Authentication #presentation #history #Security

Grok is off the rails, again? Except this time, instead of insulting politicians and calling itself MechaHitler, it decided to strip women. Sources: https://zurl.co/s5eTU https://zurl.co/BtJHS https://zurl.co/m9Bgq #ai #grok #cybersecurity #shorts

Happy New Year! Source: https://zurl.co/sS76i

AI is an upper management benefit, you drones. At least that’s the long and short of a story that happened at a British university. Source: https://zurl.co/baiJV #shorts

Around mid-November, I attended the Web Summit in Lisbon. The European Union invited me as a Digital Ambassador — just to be clear from the start. Thanks to this, I got the chance to ask a few questions, and today I’d like to share the answers with you. Sources: ♻️ AppMigrationKit https://developer.apple.com/documentation/appmigrationkit 🍏 Apple readies new framework to let iPhone users migrate app data to and from Android https://9to5mac.com/2025/10/22/appmigrationkit-framework-migration-betwen-android-and-ios/ ♥️ Apple and Google team up to make iPhone and Android switching easier https://9to5mac.com/2025/12/08/apple-and-google-team-up-to-make-iphone-and-android-switching-easier/ 🇪🇺 EU says easier iPhone-Android switching is proof the DMA is working https://9to5mac.com/2025/12/09/iphone-android-switching-ios-26/ 🤯 Apple’s App Store changes become EU benchmark as Google faces looming fines https://9to5mac.com/2025/12/10/apples-app-store-changes-become-eu-benchmark-as-google-faces-looming-fines/ 📤 Android and iPhone users can now share files, starting with the Pixel 10 family. https://blog.google/products/android/quick-share-airdrop/ 📂 Resources for businesses https://digital-markets-act.ec.europa.eu/questions-and-answers/resources-businesses_en 💬 Most popular global mobile messenger apps as of October 2025, based on number of monthly active users https://www.statista.com/statistics/258749/most-popular-global-mobile-messenger-apps/ Relevant xkcd: https://xkcd.com/1998/ © All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement. My socials: Instagram @mattchrobok https://www.instagram.com/mattchrobok/ Twixxer @ChrobokMatt https://twitter.com/ChrobokMatt Mastodon https://infosec.exchange/@mateuszchrobok LinkedIn @mateuszchrobok https://www.linkedin.com/in/mateuszchrobok/ TikTok @mattchrobok Facebook https://www.facebook.com/mattchrobok Chapters: 00:00 Intro 00:54 Lightning 01:39 DMA 03:23 Future 13:50 Influence 15:03 What To Do And How To Live? #EU #Lisbon #DMA #WebSummit #regulations

A reel is a fragment of a video: https://zurl.co/LoK00 #shorts #cybersecurity