Dominik Penner
@zer0pwn
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security researcher in the pursuit of knowledge @watchdog_sec @evolvedthreat. co-founder @hackerschange. formerly @nccgroupinfosec
Toronto, Ontario
Joined December 2011
RT @JohnHultquist: Four UK arrests in Scattered Spider incidents. Suspects are 17 to 20 years old.
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RT @immortalp0ny: Today we released write up about vulnerability that I found and which was patched recently in NTFS.sys CVE-2025-49689. En….
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RT @todayininfosec: 2008: Several DNS vendors released patches to mitigate an attack method discovered by Dan Kaminsky which could be used….
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RT @Hesamation: some guy at Mastercard prompt injected a job posting and just days later it tricked somebody’s ai 😂
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RT @FBIHouston: #BREAKING Xu Zewei, a suspected hacker who worked for the Ministry of State Security (China’s largest and most active spy a….
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RT @infosec_au: Whenever I audit C# code, I look for benign file operations such as File.Exists(), especially if there's a preceding Path.C….
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RT @steventseeley: Most people have no idea how much their limiting beliefs hold them back, not just in a specific niche but overall in lif….
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RT @watchtowrcyber: Are we bleeding out? Enjoy our analysis of CitrixBleed 2, aka CVE-2025-5777 - the "new" Citrix NetScaler Memory Leak vu….
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RT @datalocaltmp: Had a great time presenting at @reconmtl this weekend - always amazing meeting everyone and sharing research 🙌. For those….
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RT @G0ldenGunSec: Azure Arc is Microsoft's solution for managing on-premises systems in hybrid environments. My new blog covers how it can….
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RT @growing_daniel: Watching the Soham interview and I can already tell people are going to see this interview of a legendary liar talking….
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RT @LasagneManne: @vxunderground Talked to a guy who had access a while back and got a sneak peak/chance to buy the source, its not just ww….
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RT @trufflesec: 🔍Accessing 15 million "Permanently deleted" commits at scale across GitHub. 🔗A guest post by Sharon Brizinov: https://t.co….
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