DoS

DoS (Denial-of-Service attack) - DoS (Denial-of-Service attack) is an attempt to make a computer resource unavailable to its intended users. Although the means to, motives for, and targets of a DoS attack may vary, it generally consists of the concerted, malevolent efforts of a person or persons to prevent an Internet site or service from functioning efficiently or at all, temporarily or indefinitely.

You Can Also See DDoS (Distributed Denial-of-Service attack

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