Syscoin — Cyber Attacks, Breaches & Threat Activity

Related Threat Clusters

• SecondFi Phishing Scam Targets Users After Security Breach

  SecondFi has issued a warning about a phishing scam targeting its users via email. The scam claims to be an official recovery notice, urging users to enter a 'Quarantine Mode' and sign a Service Agreement to recover…

  2 articles · Updated July 20, 2026
• Syscoin Bridge Exploit Results in 5 Billion Unauthorized Tokens Minted

  On June 8, 2026, Syscoin reported a security incident involving its cross-chain bridge, where an attacker exploited a validation flaw, minting approximately 5 billion unauthorized SYS tokens. The flaw occurred in the…

  19 articles · Updated June 8, 2026

Recent Intelligence Reports

• SecondFi Phishing Scam Alert: Fake Recovery Emails Target Users — Coingabbar · July 20, 2026
• Explained: The Syscoin Bridge Hack (June 2026) — Halborn · June 8, 2026
• SYS Drops 20% After 5B Unauthorized Tokens Minted in Syscoin Bridge Exploit — Cryptopotato · June 8, 2026
• Syscoin Halts Bridge After Exploit Spawns 5B Unauthorized SYS — Yellow · June 8, 2026
• Syscoin bridge paused after 5B SYS unauthorized output — Bitget · June 8, 2026
• Syscoin: Syscoin cross-chain bridge exploited due to verification vulnerability, minting ... — Odaily.News · June 8, 2026
• Syscoin reports Bridge incident involving about 5B unauthori — Kucoin · June 8, 2026
• Syscoin cross-chain bridge遭遇攻击, involving approximately 5 billion SYS, bridge service ... — Chaincatcher · June 8, 2026

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