Calum Hall

Time to go to Vegas! More than happy to announce that @rookuu_ and I have been accepted to talk at Black Hat USA 🇺🇸 "Come to the Dark Side, We Have Apples: Turning macOS Management Evil". blackhat.com/us-21/briefing…

Weekends are for LuLu! 👨🏻‍💻🛡️🍎 Been working hard to add a top requested feature to LuLu: Profiles Please give the latest beta a whirl and report any Profile-related issues 🙏🏽🙏🏽🙏🏽 github.com/objective-see/… Learn more about LuLu's profile here: objective-see.org/products/lulu.…

V8 Security is hiring in Munich, Germany: google.com/about/careers/… Great opportunity to work on some really hard and interesting problems in the security space!

Known malware is the first line of defence. Phorion keeps it locked down We integrate with @DoubleYou (built by @patrickwardle + @hexlogic) and combine it with high-confidence IOCs from internal research and trusted partners. 🧵(1/3)

Does anyone know of any security events or groups in NYC? I'm moving to the city and would love to join! 🗽🍎 #InfoSec #NYC

⏳ Just one week left to submit your talk to #OBTS v8 objectivebythesea.org/v8/cfp.html (CFP closes June 30th). We’ve expanded to 3 days of talks this year, making room for even more cutting-edge research +  first-time speakers. So submit your Apple security-themed proposal today!

Fantastic opportunity for students to kickstart their macOS security knowledge & career cc @AbertayHackers @AbertayCyber @enusec @siginthq @LeedsEHS @BSidesLondon @BSidesScot @Hack_Glasgow @Steel_Con

excited bc today @HuntressLabs is releasing our analysis of a gnarly intrusion into a web3 company by the DPRK's BlueNoroff!! 🤠 we've observed 8 new pieces of macOS malware from implants to infostealers! and they're actually good (for once)! huntress.com/blog/inside-bl…

Stay tuned. We’re just getting started. Interested in a demo? phorion.io #macOS #EDR #CyberSecurity #Infosec #Phorion

One platform, one mission - no compromises. We designed Phorion from the ground up for the realities of macOS environments. Created by security engineers with years of experience attacking and defending the macOS ecosystem.

Introducing Phorion. A modern EDR platform purpose-built for macOS. Because security teams shouldn’t have to settle for Windows-first tools. 🛡️🍎 🧵

Time to enter a new era of detection & response for macOS 🤘

I am currently seeking an exceptional Security Incident Response Engineer to join our esteemed global security incident response team. This rare opportunity doesn't come around often. Join us in this exciting role! #infosec #hiring #cyberroles jobs.apple.com/en-gb/details/…

Call for Donations! I'm raising $2,622 to send a student to the Objective by the Sea conference—a space where hackers and researchers learn, build, and share knowledge about #Apple security. 🍏 If you believe in security through community and want to support the next generation…

Stoked to announce 'Objective by the Sea' v8.0! ...the world's only dedicated 🍏-security conference! #OBTS v8.0: 📍 Ibiza, Spain 🗓️ Oct. 12–17, 2025 🔗 objectivebythesea.org/v8/index.html Hope to see you all there! ☀️🌴 #OBTS

#Poseidon #stealer for #macos with low detections lol "poseidon[.]cool" domain points to its C2 saves zip in /tmp/pizda/😩 C2: 185.147.124.212 MD5:cf2647a0236766a5db94dfecfe87fbb9

Well this took all of January, but that's a wrap! Mahalo for following along 🙏🏽 I've just uploaded a (100 page+) PDF of the complete blog post: objective-see.org/downloads/MacM… Also all samples in the report have been made available for download #SharingIsCaring 🍎👾🥰

💻🇬🇧 Security Engineer (End User Compute). Looking for someone who loves all things macOS in the enterprise. If hardening macOS and end-user compute is your thing, we’d love to hear from you.

🚨 Internship Opportunity! 🚨 Apple is looking for an Intern to join our Information security organisation in the UK. This is a fantastic chance to gain valuable experience and grow with a global leader. Apply now: jobs.apple.com/en-gb/details/… or DM me for more details. Don’t miss…

⚠️ Developers, please be careful when installing Homebrew. Google is serving sponsored links to a Homebrew site clone that has a cURL command to malware. The URL for this site is one letter different than the official site.

Look what made it out to Australia 📖 @patrickwardle how long until we can expect the audio book 😉?