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Patrick Park

Articles by Patrick Park

Malformed Messages – Protocol Fuzzing

As part of VoIP threats series, I'd like to introduce Malformed Messages (or Protocol Fuzzing). An attacker may create and send malformed messages to the target server or client for the purpose of service interruption. A malformed message is a protoc...

By Patrick Park

Feb 21, 2009 2 mins

Cisco Systems Security

Call Flooding Attack

By Patrick Park

Feb 11, 2009 4 mins

Hacking Cisco Systems VoIP

VoIP Threat Taxonomy

By Patrick Park

Feb 06, 2009 2 mins

Cisco Systems VoIP Security

VoIP Security Blog Introduction

By Patrick Park

Feb 02, 2009 2 mins

Cisco Systems Encryption Malware

Chapter 1: Working with VoIP

By Patrick Park

Jan 13, 2009 21 mins

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IBM cloud service aims to deliver secure, multicloud connectivity

By Michael Cooney

Dec 07, 20233 mins

Network SecurityCloud ComputingNetworking

Gartner: Just 12% of IT infrastructure pros outpace CIO expectations

By Denise Dubie

Dec 07, 20234 mins

Network SecurityData CenterIndustry

Data centers unprepared for new European energy efficiency regulations

By Maria Korolov

Dec 07, 20237 mins

Enterprise StorageGreen ITServers

Episode 1: Understanding Cisco’s Converged SDN Transport

Sep 24, 202120 mins

Cisco SystemsInternetNetworking

Episode 2: Pluggable Optics and the Internet for the Future

Sep 23, 202117 mins

Optical DrivesCisco SystemsInternet

Episode 3: Looking Forward: 5G, Digital Transformation, and the Network of the Future

Sep 22, 202114 mins

5GCisco SystemsInternet

How to calculate factorials in Linux

Nov 02, 20232 mins

How to use the nohup command

Oct 31, 20232 mins

How to use date command options

Oct 26, 20232 mins