Cisco Systems has released a security patch to fix vulnerabilities in a number of its products that are at risk of a denial of service attack. The vulnerabilities are found in a third-party ...

Cisco Systems said Monday that the world's telephone companies are "headed right in Cisco's direction" by converting to modern dialing techniques, a claim chief rival Juniper Networks denied. Cisco ...

The number of Cisco devices hijacked through a newly discovered attack has risen to over 30,000, according to the latest findings from security researchers. Security vendor Censys has been tracking ...

Chuck Robbins rebuffed accusations the company fabricated layoff numbers on CNBC Thursday morning. Cisco CEO Chuck Robbins said Thursday morning that his company did not leak false information that it ...

The headline numbers from Cisco Systems' (CSCO-0.13%) fiscal second-quarter report were far from impressive. Revenue slumped by 2% year over year, driven by weakness in the core switching and routing ...

The hackers exploiting the flaw in Cisco's IOS XE software have been spotted hijacking routers from telecommunication companies, according to security researchers. When he's not battling bugs and ...

Cisco Systems Inc. has patched a number of security vulnerabilities affecting its routers and Call Manager software, some of which could be used to launch a DOS ...