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Cisco Security Predictions – Reviewed

We recently released the Cisco 2009 Annual Security Report . This is the most recent edition of our security report series, which was started in [...]

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Security Intelligence Operations Portal: A New Look for a Trusted Resource

Over the weekend, we updated a security resource that many of you have come to trust: the Cisco Security Intelligence Operations (SIO) Portal . Just as [...]

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Cisco Investigation for TCP Split-Handshake Issue Reported by NSS

Recently there's been some activity in the press regarding an NSS Labs report on potential vulnerabilities in Next-Generation Firewalls (NGFW). The Cisco Adaptive Security Appliance (ASA) was one of...

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Top of Mind: Best Practices and Security Updates

This post focuses on the most recent "Top of Mind" concerns from Russell Smoak and these two concerns are (1) best practices for securing the network and (2) the importance of applying software...

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Resources for the Apache HTTP Server Denial of Service Vulnerability

Recently sample code was posted publicly that exploits a denial of service vulnerability in the Apache HTTP Server. This particular vulnerability is receiving considerable industry attention given the...

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Cisco Releases IPS Signature to Detect Alleged German Government Trojan

Earlier today we released IPS Signatures 39866-0 and 39866-1 as part of the S603 update to our Cisco Services for IPS customers. These signatures detect or block network traffic associated with the...

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NCSAM: Diversity, Consistency, and Security Intelligence

The security community at Cisco is very diverse. It extends beyond the typical researcher or analyst roles to include customer-facing [...]

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Reflections from a road trip: The evolving risk of DDoS attacks

The author, Russ Smoak (Director of Cisco Security Intelligence Operations), discusses some of the feedback received from customers recently with regard to the Distributed Denial of Service (DDoS)...

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Cisco 2014 Annual Security Report: Threat Intelligence Offers View into...

Thanks to extensive detection telemetry and analytics, we have a clear view into the attackers and malicious actors that are [...]

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Best Practices: Device Hardening and Recommendations

On April 13th, 2015, Cisco PSIRT was made aware of multiple instances of customer disruption in a specific region caused by a denial of service attack against Cisco devices. We responded quickly to...

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