⬢ GM Security — 2026-06-18: $50.4M across 30 incidents

Daily crypto security briefing

2026-06-18 20:27 UTC · last 72h · 30 items · $50.4M reported losses · 47 sources

Last 24 hours

• [ENFORCEMENT · NEW] Ex-Celsius CEO Mashinsky gets U.S. CFTC ban in final resolution with regulator (CoinDesk)
• [ADVISORY · NEW] @HalbornSecurity: Securing blockchain infrastructure for institutional adoption means auditing at every layer, not just the smart contrac… (@HalbornSecurity)
• [EXPLOIT · NEW] @Phalcon_xyz: .@aztecnetwork was attacked again. Like the Sunday, June 14, 2026 exploit, this attack appears related in nature, but t… — ~$2.3M (@Phalcon_xyz)
  also: @MistTrack_io · @PeckShieldAlert
• [ADVISORY · NEW] Rockwell Automation FactoryTalk Historian Site Edition (CISA Cybersecurity Advisories)
• [NEWS · DEVELOPING · day 5] XRP tests key trendline support as bullish divergence fuels recovery hopes (crypto.news)
• [EXPLOIT · DEVELOPING · day 5] @Phalcon_xyz: Correct: this is not the same bug as the previous one, though both are circuit public input binding issues and the exec… (@Phalcon_xyz)
• [ADVISORY · DEVELOPING · day 5] Microsoft warns crypto clipper now acts like backdoor (crypto.news)
• [ENFORCEMENT · NEW] HyperFund promoter Bitcoin Rodney admits role in $1.8B crypto fraud — ~$1.80B (crypto.news)
  also: Decrypt
• [NEWS · NEW] Ark Invest buys $18.4M in Coinbase shares, trims Robinhood (crypto.news)
• [NEWS · DEVELOPING · day 4] Live markets: price action turns panicky in Saylor's STRC as bitcoin drops below $63,000 (CoinDesk)
• [ADVISORY · NEW] @HalbornSecurity: Quantum computing is an approaching threat to blockchain security. 🔐 (@HalbornSecurity)
• [NEWS · DEVELOPING · day 3] @spreekaway: https://t.co/MzmtARehtY (@spreekaway)
• [ADVISORY · DEVELOPING · day 3] @spreekaway: That's right: ZERO. https://t.co/yex0V1k3wi (@spreekaway)
• [ADVISORY · DEVELOPING · day 2] @CertiK: Passkeys remove seed phrases, but not security risks. (CertiK)
• [NEWS · DEVELOPING · day 5] @pcaversaccio: ok guys, talk is cheap as you all know. let's move forward here; some very preliminary thoughts on how such a browser c… (pcaversaccio)
• [NEWS · DEVELOPING · day 5] @tayvano_: > beautiful simple clean (@tayvano_)
• [NEWS · DEVELOPING · day 6] @tayvano_: Boeing never told the USG that they cannot prevent their airplanes from falling out of the sky. (@tayvano_)

Earlier · 24–72h

• [EXPLOIT · NEW] @CertiKAlert: #CertiKInsight 🚨 — ~$42.0M (@CertiKAlert)
  also: @CertiKAlert
• [EXPLOIT · NEW] @PeckShieldAlert: #PeckShieldAlert The @UXLINKofficial exploiter-labeled address has swapped ~14.6M $DAI for 8,298.6 $ETH. — ~$5K (@PeckShieldAlert)
• [EXPLOIT · NEW] @HalbornSecurity: Multisig doesn't protect you if your keys share the same machine. 🔑 (@HalbornSecurity)
• [ADVISORY · NEW] @Beosin_com: ⚡ A single integer truncation bug nearly cost Thetanuts Finance over $2M. — ~$2.0M (@Beosin_com)
• [SCAM · DEVELOPING · day 6] Steam Workshop wallpapers found spreading crypto malware (Protos)
• [EXPLOIT · DEVELOPING · day 6] @Phalcon_xyz: 🗓 Weekly Web3 Security Roundup | Jun 8 - Jun 14 — ~$6.0M (@Phalcon_xyz)
• [EXPLOIT · NEW] @SlowMist_Team: 🚨SlowMist TI Alert🚨 — ~$111K (@SlowMist_Team)
  also: @SlowMist_Team · @SlowMist_Team
• [ADVISORY · DEVELOPING · day 6] @tayvano_: The Fed, Iran Trade, and Why BTC Looks Cheap Right Now https://t.co/sAVrcjp96K (@tayvano_)
• [NEWS · DEVELOPING · day 6] @tayvano_: unc1069 / sapphire sleet / whatever you want to call them (@tayvano_)
• [ADVISORY · DEVELOPING · day 5] @pcaversaccio: you can fully destroy perfect onchain privacy by leaking metadata (IP, user-agent, timezone, language settings, etc.).… (pcaversaccio)
• [ADVISORY · DEVELOPING · day 5] @BlockSecTeam: 🛡️ When AI agents start paying on their own, every payment needs to be screened and accountable — not just signed. (@BlockSecTeam)
• [NEWS · NEW] @CertiK: Excited to support @AIVM_Network as they build agent-native infrastructure. (CertiK)

🧠 Deep reads

• Seeing the Full Picture: Why Pre- and Post-Designation Exposure Changes Everything in Sanctions Screening (Chainalysis)

💡 Security thought-spark

Bridge inputs are untrusted inputs: validate source chain, sender, and nonce on every cross-chain message. Replays are how bridges get drained.

Full data: https://gmsecurity.net/briefing.json. Feedback or a source to add? [email protected]. George Donnelly offers Web3 development & security consulting.