Lou Ronnau

Security Engineer

Security Intelligence Operations

Lou Ronnau is an engineer in the Security Research and Operations organization at Cisco where he helps customers leverage their Cisco infrastructure to to overcome emerging security challenges. Lou is responsible for creating, testing, and communicating effective techniques using Cisco product capabilities to provide identification and mitigation solutions for Cisco customers facing current or expected security threats. Lou is INFOSEC-IAM/IEM certified and enjoys flying airplanes and riding motorcycles and mountain bikes in his spare time.


June 14, 2018


Cisco’s Process for Fixed Software Release and Vulnerability Disclosure

4 min read

To minimize risk associated with vulnerabilities, Cisco employs a well-established and trusted process to disclose vulnerabilities, while taking every effort to minimize the overall impact to customers’ network operations.

October 16, 2013


One Week After April First, It’s No Joke

1 min read

April first falls on a Tuesday next year. The following Tuesday is Microsoft’s monthly security update. It will be the last monthly security update for the Windows XP operating system. About one third of the computers with Windows operating systems on the Internet today are still running Windows XP, an operating system almost 15 years […]