Category: Hacker

Understanding Denial-of-Service (DoS) attacks

Understanding Denial-of-Service (DoS) attacks

What is a denial-of-service attack? A denial-of-service (DoS) attack occurs when legitimate users are unable to access information systems, devices, or other network resources due to the actions of a malicious cyber threat actor. Services affected may include email, websites, online accounts (e.g., banking), or other services that rely on the affected computer or network.

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Ransomware

Ransomware

What is ransomware? Ransomware is a type of malware threat actors use to infect computers and encrypt computer files until a ransom is paid. (See Understanding Malware for more information on malware.) After the initial infection, ransomware will attempt to spread to connected systems, including shared storage drives and other accessible computers. If the threat

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