Attending Area41 Security Conference in Dübendorf/Zurich (CH)? 🎯 Swing by our booth and check out RAPTR: our open-source collab platform for Purple Team ops. Plan, attack, detect, report. All in one place. See you there on Thursday/Friday! @defcon.bsky.social #Area41 #PurpleTeam

At Area41 Security Conference (CH) next week? Come to our booth to see EntraFalcon in action: our open-source tool for assessing Microsoft Entra ID security posture. Privileged objects, risky assignments, conditional access misconfigs: find what's hiding in your tenant. @defconch.bsky.social

AI agents in your Entra ID tenant? They come with new identities, permissions, fresh attack paths. Chrigi @zh54321.bsky.social breaks down Entra Agent ID security, capabilities, control paths, abuse scenarios, and how to review exposure with EntraFalcon. blog.compass-security.com/2026/06/entr...

The monkey is still curious 🐒 Teleboy has topped up its #bugbounty program with another CHF 10'000 in rewards. Explore a platform serving 400'000+ users across TV, internet, and telephony. Ready for another hunt? bugbounty.compass-security.com/bug-bounties... #ethicalhacking #cybersecurity

SSH everywhere, misconfigurations somewhere. Our new SSH Labs let you get your hands dirty: slides, video, and a Docker-based lab. Created by our Security Analyst @emanuelduss.ch, learn how SSH breaks and how to fix it: blog.compass-security.com/2026/05/ssh-... #SSH #InfoSec #Security

Excited to be on board as a Platinum Sponsor. Looking forward to connecting with the community on-site!

Collision! Although successful on stage, Emanuele Barbeno, Cyrill Bannwart, Yves Bieri, Lukasz D., Urs Mueller (@compasssecurity) of Compass Security targeted Anthropic Claude Code, hitting a one-vulnerability collision with a previous attempt and earning $20,000 & 2 Master of Pwn points. #Pwn2Own

Very nicely done! Emanuele Barbeno, Cyrill Bannwart, Yves Bieri, Lukasz D., Urs Mueller (@compasssecurity) of Compass Security were able to exploit Anthropic Claude Code! They're off to the disclosure room to explain how they did it. #Pwn2Own #P2OBerlin

4th place after two days of #pwn2own in Berlin. Fingers crossed for the 3rd day and our colleagues attempt on Claude Code.

Big W!! 💪 Emanuele Barbeno, Cyrill Bannwart, Yves Bieri, Lukasz D., Urs Mueller (@compasssecurity) of Compass Security were able to exploit OpenAI Codex! Off to the disclosure room to spill the tea. #Pwn2Own #P2OBerlin

Compass vulnerability research identified code execution paths affecting AI coding assistants including Claude Code, OpenAI Codex and Cursor. The findings will be demonstrated live at @thezdi.bsky.social Initiative #Pwn2Own Berlin 2026, May 14 to 16. #AIsecurity #LLM

🦖 Meet RAPTR: our new open source platform for red and purple team collaboration. Plan engagements, document attacks and detections, evaluate results, and generate reports, all API-driven. Beta is live, feedback welcome! #PurpleTeam blog.compass-security.com/2026/05/intr...

Tabletop exercises show how incident response processes fall apart under pressure, far beyond what any plan suggests. In our blog post, we share key lessons from real TTX sessions: failures in communication, decision-making, structure, and human factors. blog.compass-security.com/2026/04/tabl...

The final part of our Entra ID blog series looks at common Conditional Access weaknesses, practical attack scenarios, and how to identify such issues with EntraFalcon. blog.compass-security.com/2026/04/comm...

Part 3 of our Entra ID blog series looks at common weak PIM configurations, practical abuse scenarios, and how to identify them with EntraFalcon: blog.compass-security.com/2026/04/comm...

🏃‍♂️ Time for a security workout. Sanitas is launching its #bugbounty program and inviting ethical hackers to help keep its digital healthcare services in peak condition. Hunt vulnerabilities and help protect critical healthcare systems: bugbounty.compass-security.com/bug-bounties...

Unprotected groups in Entra ID can lead to privilege escalation. Part 2 of our 4-part series shows how weakly protected groups can be abused to bypass controls, gain privileged access, and lead to full compromise - and how to detect this with EntraFalcon: blog.compass-security.com/2026/03/comm...

✨ We’re excited to welcome Compass Security as a Platinum Sponsor for the AREA41 security conference 2026 🛸 👽 Thank you for supporting the infosec community, we look forward to seeing you‼️ ➡️ Check them out at: compass-security.com @compass-security.com 📅 June 18-19. 2026, Zürich - area41.io

Foreign enterprise apps can expose your Entra ID tenant. Today, we release part 1 of our 4-part weekly series on common Entra ID pitfalls and how to detect them with EntraFalcon. Learn how external apps can lead to data access or worse: blog.compass-security.com/2026/03/comm...

EntraFalcon update 🚀 The new Security Findings Report turns Entra ID enumeration into actionable findings with 60+ checks and colorful charts. Read Chrigi's @zh54321.bsky.social blog and try the tool now on your tenant! blog.compass-security.com/2026/03/from... #EntraID #CloudSecurity #EntraFalcon

WinGet can be more than a package manager. We show how .𝚠𝚒𝚗𝚐𝚎𝚝 configs + a self-referencing LNK become a viable initial access payload when Microsoft Store is enabled. Includes detection queries & mitigation tips. blog.compass-security.com/2026/03/wing... #RedTeam #Windows #LOLBins #InitialAccess

John Ostrowski (Compass Security) and Manuel Kiesel (Cyllective AG) worked together on CVE-2025-13154, a Lenovo Vantage LPE. Even after Microsoft closed a known primitive, collaboration led to a working PoC. blog.compass-security.com/2026/02/from... #Windows #CVE #SecurityResearch #PrivEsc

A night full of exciting happenings. Compass #Pwn2Own team chained zero days to run code on the Canada built Grizzl-e Smart level 2 charger. Colleagues also demoed the manipulation of of the charging control protocol. Well earned 25‘000 USD!

We have exciting news to share. Compass folks made the Alpine car infotainment system to run arbitrary code and earn a 10‘000 USD. 🎉🎉🎉

Confirmed! Cyrill Bannwart, Emanuele Barbeno, Yves Bieri, Lukasz D., and Urs Mueller of Compass Security (@compasssecurity) exploited one exposed dangerous method/function bug on the Alpine iLX-F511, winning Round 2 for $10,000 USD and 2 Master of Pwn points. #Pwn2Own #P2OAuto

How do we keep our security analysts up to date? Our latest blog post looks inside our internal training week, from Kubernetes security to red teaming and our annual Security Boot Camp. blog.compass-security.com/2026/01/cont... #CyberSecurity #Learning #Pentesting #Kubernetes

The schedule is out! 🗓️ We’re hitting the stage on January 21st at 12:30 JST (4:30 CET) and at 14:00 JST (6:00 CET). Time to see if all the work in the lab pays off. Wish us luck! #Pwn2Own www.zerodayinitiative.com/blog/2026/1/...

Here we are again! Finally on the ground for #Pwn2Own Automotive in Tokyo 🏎️💻 Our team is ready, and we’re just waiting for the Tuesday draw to see when we’re up. Big week ahead! Stay tuned! 🛠️🔥

The final stage would not have been possible without John Ostrowski from @compass-security.com thanks for the Swiss infosec collaboration! 🫕🤝

Thank you #BugHunters for your relentless curiosity and clean reports that keep our customers #BugBountyProgram sharp. Soon to announce: Switzerland's highest max. bounty ever, new programs and budget refills. Stay tuned! For now: shutdown, enjoy the festive season and recharge.

In a new video, Nicolò @rationalpsyche.bsky.social walks through how to fuzz with AFL++, how to pick targets, avoid common pitfalls, and boost effectiveness. Find performance tips, fuzzing theory, and AFL++ internals. Watch here: youtu.be/L5Tin7m5sbE?... #security #fuzzing #AFLplusplus #appsec

New video out! Security analyst John Ostrowski show the hands-on process behind discovering CVE-2025-24076 and CVE-2025-24994 described in our recent blog post. Watch here: youtu.be/YwNcTuHxnAI #security #pentest #windowsinternals #vulnresearch

New video out! Security analyst John Ostrowski show the hands-on process behind discovering CVE-2025-24076 and CVE-2025-24994 described in our recent blog post. Watch here: youtu.be/YwNcTuHxnAI #security #pentest #windowsinternals #vulnresearch

NTLM relay works against HTTPS if channel binding is missing. Our new blog post explains why, shows how tooling evolved, and highlights defensive measures. blog.compass-security.com/2025/11/ntlm...

Want to understand how Windows handles authentication and access tokens? Security analyst @emanuelduss.ch explains how they’re created, used, and abused - with live demos. 🎥Presentation: youtu.be/_ODdwpxXRR4?... #Security #Pentest #WindowsInternals

🎉Success. Our #Pwn2own team combined #zeroday bugs to #exploit @home-assistant.io green which earned them $20'000 and 4 pts. Congratz to @bcyrill.bsky.social Emanuele, Lukasz @muukong.bsky.social and @yvesbieri.bsky.social. Respect to @stephenfewer.bsky.social and the Summoning Team for the wins.

So proud. Congratz. This is pwntastic!

🧭 Navigation complete! The team from Compass Security just charted a course straight into @home_assistant Green at #Pwn2Own. They head off to the disclosure room to spill how they did it. #P2OIreland

#Pentest of gRPC-Web apps is tricky due to the binary format. We are releasing bRPC-Web, a @portswigger.net @burpsuite.bsky.social extension developed by our @muukong.bsky.social that helps manipulate #gRPC-Web traffic, even in absence of #protobuf schemas. blog.compass-security.com/2025/10/brpc...

@thezdi.bsky.social #Pwn2own schedule is out. Compass folks have been drawn 3rd to exploit the @home-assistant.io Green for $40,000. 🤞for a #bounty today Tuesday Oct 21st, 5pm (Swiss time). #ethicalhacking Schedule www.zerodayinitiative.com/blog/2025/20...

Heading to Cork for #Pwn2Own Ireland 🇮🇪. Watch the live draw at 15:00 (Swiss time) to see which target we’ll be taking on 👀🔗 www.linkedin.com/events/pwn2o...

Learn about a FortiProxy Domain Fronting Protection bypass discovered by our analyst @emanuelduss.ch. Details in the advisory: www.compass-security.com/en/news/deta... Curious how web filters are evaded? Read his blog series: blog.compass-security.com/2025/03/bypa... #cve #pentest #bypass

The leaked LockBit chats give a rare inside look at ransomware ops. Read our blog for an analysis and lessons for defenders: blog.compass-security.com/2025/10/lock... #CyberSecurity #Ransomware #LockBit

NIS2 means stricter rules and steep fines. Penetration testing is key to proving compliance & improving security, uncovering flaws before attackers do. Our latest blog explains why you need it now: blog.compass-security.com/2025/09/ensu... #CyberSecurity #NIS2 #Pentesting

The final episode of our Kerberos deep dive is live! RBCD opens new attack paths in Kerberos. Learn how misconfigs enable privilege escalation and how to defend. youtu.be/l97RDnzdrXY?... #Kerberos #ActiveDirectory

Episode 5 of our Kerberos deep dive is live. Constrained delegation isn’t bulletproof. See how attackers exploit it, and how to defend with monitoring & best practices. youtu.be/rnhr02eKU0I?... #Kerberos #ActiveDirectory

Episode 4 of our Kerberos deep dive is live. Unconstrained delegation can expose critical credentials. Learn how attackers abuse it. And how to lock down your systems. youtu.be/_6FYZRTJQ-s?... #Kerberos #ActiveDirectory

Episode 3 of our Kerberos deep dive is live. AS-REP Roasting abuses accounts without pre-auth. Learn the risks, how attackers exploit it, and how to defend. youtu.be/56BjmyOTN5o?... #Kerberos #ActiveDirectory

We use @jameskettle.com Burp extension Collaborator Everywhere daily. Now our upgrades are in v2: customizable payloads, storage, visibility. Perfect for OOB bugs like SSRF. Find out more here: blog.compass-security.com/2025/09/coll... #AppSec #BurpSuite #Pentesting