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Your search for dos/ returned 526 results

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Experiment shows how often hackers want to attack critical infrastructure
Security News

Telephonic DoS tied to Ukraine power grid takedown

More information is being revealed regarding the late December attack on the Ukrainian power grid with reports indicating the attack on the utility was supported by a simultaneous telephonic denial of service (DoS)incident.
Features

Designing and Deploying Effective Defenses Against Denial-of-Service Attacks

One of the worst things a company can endure is watching helplessly as its web site goes under attack by hackers. Several of the most popular sites on the web – from Yahoo! to Microsoft – have experienced severe financial losses after their sites went down because of denial-of-service (DoS) and distributed denial-of-service (DDoS) attacks.…
Security News, Vulnerabilities

Cisco updates include fixes for ‘high’ rated RCE, DoS flaws

Cisco released security updates to address vulnerabilities in multiple Cisco products including flaws that could allow a remote attacker could exploit to take control of an affected system. The updates included fixes for a remote code execution (RCE) flaw, a series denial of service (DoS) vulnerability, information disclosure vulnerability and several cross-site scripting (XSS) vulnerabilities,…
old phone
Security News, Vulnerabilities

Cisco posts security advisories for Series 7800 and 8800 phones

For the second time in one week security advisories were issued for a line of Cisco IP phones. On March 20 the company addressed vulnerabilities in its Series 7800 and 8800 phones, this follows a pair of advisories that were issued on March 14 covering its SPA514G IP phones. All the warnings are rated high.…
Malware, Security News

Siren bot uses 10 methods to send DoS attacks

Zscaler ThreatLabZ researchers identified a new DoS bot family named Siren that uses 10 different DoS methods to carry out attacks. The bot is capable of carrying out HTTP, HTTPS, and UDP flooding on any web server location as instructed by the command-and-control (C&C) server, according to a Dec. 21 blog post. Siren is also…
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