Secunia CSI 5.0
Personal Software Inspector (PSI)
Online Software Inspector (OSI)

PC Security


Whether you’re after a free piece of software to keep your home computer safe every day or want to quickly assess the security of the computer you are using right now, Secunia can help you.

Our security software is developed by industry experts, researching the risks to users from programs on their computer and quickly reacting to ensure the software companies develop updates to secure PCs against them as soon as possible.

Most importantly, both our personal computer tools (the Secunia PSI & OSI) are free, making it easier for you to secure all your home computers. Our mission is to ensure PC security worldwide for millions of users and we don’t think that you should have to pay for it.

Free computer security

Free computer security software

Free computer security software

Personal Software Inspector

Download this piece of software to your PC and start scanning your computer for weaknesses that cybercriminals exploit.  Then automatically install software updates to keep the data on your PC secure.

  Online computer scanner

Online computer scan

Online Software Inspector

Run this quick and easy online scan right away to begin assessing the security of your PC and protect your confidential data.

Compare our PC Security software products

"Secunia takes an active responsibility towards educating the market in understanding the importance of vulnerabilities and patching on a daily basis..."


Frost & Sullivan Report 2011

Secured by Secunia


Commerzbank

"The undisputed quality of the Secunia feed makes the intelligence actionable across all platforms, regardless of vendors. Such intensive research is currently not provided by the software vendors themselves."

- Head of Threat Analysis & Forensic




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