DDoS attack sizes grow, but experts fear targeted DDoS

Denial of Service (DoS) Attack Prevention-Detection and Analysis

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  • Windows vulnerable to LAND attack

    Security researchers say this type of attack leaves enterprise customers of popular Windows products open to a denial of service. There is good news, though. 

  • Security Bytes: Cisco patch available for ACNS flaws

    Workaround outlined for new php exploit. IBM issues patch for DB2 flaw. Payroll service goes offline to investigate security claims , and BoA loses personal data on customers. 

  • Authorize.Net says it has 'learned' from attack

    The credit card processing service was unprepared for the kind of attack it suffered last week, but it will use the experience to improve security. 

  • Debian fixes multiple flaws

    Denial-of-service, buffer overflow and format string vulnerabilities in Debian GNU/Linux that an attacker could use to remotely execute malicious code has been fixed. 

  • Cisco SNMP flaw allows for DoS attacks

    A coding flaw in Cisco's IOS software for certain routers and switches could leave networks vulnerable to denial-of-service attacks. 

  • IBM and Cisco battle remote attack vulnerabilities

    Both IBM and Cisco are warning of vulnerabilities that remote attackers could exploit to cause denial of service and other problems. 

  • Cisco to acquire Riverhead Networks; Brightmail files for IPO

    Cisco Systems announced a definitive acquisition agreement to purchase Riverhead Networks for $39 million. Antispam vendor Brightmail plane to go public. 

  • Defying DDoS: Lessons for enterprises

    A year ago, no one would have thought The SCO Group would be the target of one of the biggest distributed denial-of-service attacks in history. But earlier this month, the company's Web site was knocked offline by just such an attack. 

  • Cisco devices vulnerable to frame-based attacks

    Cisco is urging network administrators to upgrade 6000, 6500 and 7600 series network devices to cure a denial-of-service vulnerability. 

  • SCO site succumbs to DDoS attack

    Embattled Unix vendor SCO Group fell victim this weekend to a distributed denial-of-service attack generated by the Mydoom-A worm. The company has established an alternate presence on the Web until the worm's kill date of Feb. 12.