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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.

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Cyberwarfare escalates for some as Russia continues to invade Ukraine Revenge and inflation are key drivers behind an 800 percent increase in cyberattacks seen by a managed services provider since the days before the onset of Russia's invasion of Ukraine last month, according to the company's top executive.…

Krebs on Security 4 years, 4 months ago

Report: Recent 10x Increase in Cyberattacks on Ukraine

As their cities suffered more intense bombardment by Russian military forces this week, Ukrainian Internet users came under renewed cyberattacks, with one Internet company providing service there saying they blocked ten times the normal number of phishing and malware attacks targeting Ukrainians.