Cyber Security Headlines LG Uplus confirms breach, Conduent attack impacts 10M+, hackers exploit tools against Ukraine
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Oct 30, 2025 A confirmed data breach at LG Uplus raises concerns over possible ties to Chinese or North Korean hackers. The Conduent incident exposes over 10 million records, significantly impacting Medicaid data. Meanwhile, Russian hackers are exploiting legitimate tools to target Ukraine, while Koi Security uncovers a malware campaign that steals critical data via hidden dependencies. Innovations in security include a new photonic encryption system to shield data from interception. In other news, an ex-executive faces charges for selling government zero-day exploits.
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Major Korean Carrier Breach Pattern
- LG Uplus joined other major South Korean carriers in a suspected large-scale data breach affecting thousands of servers.
- The attack may involve Chinese or North Korean actors, signaling a regional telecom threat trend.
Act Fast On Long-Dwelling Intrusions
- Investigate long-dwelling intrusions quickly because Conduent's network was accessed for nearly three months before discovery.
- Prioritize detection and containment for contractor systems handling sensitive government program data.
Living-Off-The-Land Attacks In Ukraine
- Russian-linked groups used living-off-the-land tactics and legitimate admin tools to maintain access and steal data in Ukraine.
- Use of web shells, credential dumping, and PowerShell backdoors highlights attacker stealth and tooling reuse.