Risky Bulletin Risky Bulletin: Hackers breach Norwegian dam, open valve at full capacity
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Jun 25, 2025 Dive into a shocking breach where hackers fully opened a valve at a Norwegian dam. Discover the U.S. House's swift move to ban WhatsApp on staff devices for security concerns. Explore Russia's plan to create a national IMEI database and its implications. Uncover the latest cyber threats, including new botnets and vulnerabilities in popular software. Plus, learn about prosecutions involving members of the notorious REvil ransomware group. Cybersecurity is more critical than ever!
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Norwegian Dam Valve Hack
- Hackers opened a valve fully at a Norwegian dam, increasing outflow by 500 litres per second for four hours.
- The attack was enabled by a weak password on the valve's web-based control panel.
US House Bans WhatsApp
- Avoid using WhatsApp on government or sensitive work devices due to its high-risk classification.
- Use safer alternatives like Microsoft Teams, Signal, or iMessage.
Russia's IMEI Database Insight
- Russia's national IMEI database tracks unique mobile device identifiers to combat financial fraud.
- Blocking devices by IMEI is more effective than blocking by phone number, which can be changed by fraudsters.