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Background for this topic.
Cyberattack is an intentional attempt to compromise computer systems, networks, or digital devices by exploiting vulnerabilities or using malicious software. Common techniques include malware deployment, phishing to steal credentials, ransomware to encrypt data for extortion, and denial-of-service attacks that disrupt availability. These actions aim to gain unauthorized access, manipulate data, or cause operational disruption.
For security professionals, cyberattacks represent critical risks requiring proactive defense measures such as patching known vulnerabilities, monitoring network traffic for anomalies, and enforcing strong authentication. Understanding attacker methods helps prioritize defenses on exposed systems and sensitive data. Effective detection and containment depend on timely threat intelligence and coordinated response to limit damage and restore normal operations.
Russian Hacking Shows Limits of Preventive MeasuresEurope must step up its active defenses against cyberattacks and modernize its IT infrastructure, a leading expert has warned in the wake of a major attack on Poland's energy grid attributed to Russian hackers.
Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks. [...]
Close call after an apparently deliberate attempt to starve a country of energy at the worst time Cybersecurity experts involved in the cleanup of the cyberattacks on Poland's power network say the consequences could have been lethal.…
Beyond the direct impact of cyberattacks, enterprises suffer from a secondary but potentially even more costly risk: operational downtime, any amount of which translates into very real damage. That’s why for CISOs, it’s key to prioritize decisions that reduce dwell time and protect their company from risk. Three strategic steps you can take this year for better results: 1. Focus on today's
The coordinated attack on Poland's power grid in late December targeted multiple distributed energy resource (DER) sites across the country, including combined heat and power (CHP) facilities and wind and solar dispatch systems. [...]
The region is up against tactics like data-leak extortion, credential-stealing campaigns, edge-device exploitation, and attackers leveraging AI.
Signs Point to Long-Active 'Sandworm' Military Intelligence Hackers at WorkRussian cyberattacks in late December 2025 that attempted to disrupt Poland's power grid have been attributed to "Sandworm," the codename for an advanced persistent threat group tied to a Moscow military intelligence unit that repeatedly uses wiper malware, including in these attacks.