Peter Kacherginsky
@iphelix
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@blockthreat Editor and vCISO. ex @Coinbase Unit 0x / BlockSec @mandiant FLARE, @federalreserve NIRT
San Francisco, CA
Joined July 2010
All of the careful onboarding, background checks and access controls don’t really matter if an external contractor will just leak your secrets for a small bribe. The rise of the Bribeware IT worker.
🚨 Coinbase confirms an insider breach after a contractor improperly accessed data for 30 customers. BleepingComputer learned the breach occurred in December. This comes after screenshots of internal Coinbase support tools were leaked. 👉Learn more: https://t.co/RSbIFkGLIb
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It’s worth remembering one of the worst DeFi hacks as we’re seeing a spike in bridge exploits.
Feb 02 2022: Wormhole, a Solana/Ethereum bridge, was exploited for $325M. A signature verification flaw allowed attackers to mint 120K wrapped ETH on Solana.
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What does it take for small IT teams to support enterprise-scale environments? This episode of The Catalyst brings together four leaders to explore the power of trusted partnerships—and why they’re essential for real progress.
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Feb 02 2022: Wormhole, a Solana/Ethereum bridge, was exploited for $325M. A signature verification flaw allowed attackers to mint 120K wrapped ETH on Solana.
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Nonstop exploitation is back. Two bridges hacked for ~$10M this week, memecoin scams, supply chain attacks, and address poisoning everywhere. But hey, at least China executed a few scammers.
BlockThreat - Week 5, 2026 🌉 Two bridges lost almost $10M. @crosscurvefi exploited using function parameter injection and @GyroStable with a full blown arbitrary call injection.
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Important news about @blockthreat
Full details and the announcement post: https://t.co/wuJ4Ss3yqa Claim your account and explore free archives:
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Full details and the announcement post: https://t.co/wuJ4Ss3yqa Claim your account and explore free archives:
blockthreat.com
Free Archives and New Tiers
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‼️ Meet the personal hacker who worked for Epstein His name was redacted, but based on what was previously known: 👉 Sold his company to CrowdStrike in 2017 👉 Took a VP role at the company after the acquisition 👉 Born in Calabria We can now confirm he is Vincenzo Iozzo.
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RT @_SEAL_Org: darkMode 2026 registration is live! Our first public conference features 20+ sessions with practitioners sharing what actu…
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A new documentary on Joybubbles a pioneering blind phone phreak with his whistling ways and original hacker spirit (inspiring names like Woz and Captain Crunch who appear) premieres at Sundance this week. 🎬Trailer & info https://t.co/DJWm1uOuLy
#hacking #sundance #indiefilm
cyberdelianyc.com
A new documentary on the life of Joybubbles a pioneering blind phone phreak. With his whistling ways and original hacker spirit (inspiring names like Woz and Captain Crunch who appear in the film)...
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BlockThreat - Week 4, 2026 💙 Sponsored by @AnChainAI 💸 Multiple projects hit with arbitrary call injections. $17M stolen. 👮 $40M theft from US government's strategic BTC reserve 🔥 $7M drained from SagaEVM in yet another Cosmos blockchain-level exploit
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BlockThreat - Week 2, 2026 💸 Legacy @Truebitprotocol hacked. $26M 🪖 @kontigo_app hacked in the midst of a coup 🎣 User lost $282M in a Trezor support scam 👮 Chen Zhi (Prince Group) arrested, extradited to China.
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Last edition of the year with some of the toughest hacks all happening during the last week. Be safe out there!
BlockThreat - Week 52, 2025 🪱 @TrustWallet compromised, $8.5M stolen from thousands of users by Shai-Hulud threat actors. ⛓️ @flow_blockchain infinite mint. $3.9M exfiltrated. 🪄 @Polymarket magic link users drained. 👮 @coinbase malicious insider arrested in India.
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1/ oh boy, this past year at @SEAL_911 has been absolutely brutal ngl. After dealing with an insane volume & severity of incidents, it's hard to overstate how fucking broken the overall security still is across this space. The numbers tell the story better than any rant ever
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A dangerous trend of older contracts continues. Learn more in this week's edition.
BlockThreat - Week 51, 2025 🎣 $50M address poisoning attack 👴 @yearnfi @RariCapital and other old codebases exploited ⚖️ @futureswapx governance attack. $830K https://t.co/38YzvNxrzE
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Dec 28 2020: The largest crypto hack no one heard about. $3.453B stolen due to weak enthropy when generating Bitcoin keys.
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We’re live. Don’t Get Rekt, OpSec edition. With @officer_secret and @PabloSabbatella, breaking down how people actually get drained. Join in. Floor’s open.
Don’t Get Rekt ep 04, this Wednesday. @PabloSabbatella and @officer_secret. Operational security, infiltration, and the kind of failures that don’t show up in audits until the money is gone. https://t.co/jj9Ivr1MEo
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iearn / yTUSD / yPool exploit (2025-12) exploit analysis https://t.co/INzLVzPc2k more detailed technical writeup https://t.co/kWbJtEZJJP foundry reproduction
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Ultimate Security Games - Season 1 gallery is out! Congrats again to team Europe @Zigtur @Montyly @GalloDaSballo and @AliceAndB0b! Shoutout to the legends who brought the heat: Team Americas — @0xleastwood @_Allarious @0xriptide @jonataspvt Team Asia — @HickupH @banditx0x
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