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Secunia CSI7
Personal Software Inspector (PSI)
Personal Software Inspector for Android
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How It Works
System Requirements
FAQ

Free computer security

Stay secure by updating insecure programs on
your computer with the Secunia PSI

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The Secunia PSI explained

The Secunia Personal Software Inspector (PSI) is a free computer security solution that identifies vulnerabilities in non-Microsoft (third-party) programs which can leave your PC open to attacks.

Simply put, it scans software on your system and identifies programs in need of security updates to safeguard your PC against cybercriminals. It then supplies your computer with the necessary software security updates to keep it safe. The Secunia PSI even automates the updates for your insecure programs, making it a lot easier for you to maintain a secure PC.

Using a scanner like Secunia PSI 3.0 is complementary to antivirus software, and as a free computer security program, is essential for every home computer.

Quotes and Reviews

  • “At the moment, Secunia PSI can deliver security updates for more than 3,000 software pieces, which places it at the top of the list of security scanners.”

    Secunia PSI named as Security app of the week by Softpedia. Read the five star review here

  • “Secunia PSI won't do away with the need to run a good antivirus program and firewall on your PC. But it provides a solid layer of free protection that no PC should do without”

    Secunia PSI is one of 6 Super Security Freebies. Click here to read more

  • “Number one is the Secunia Personal Software Inspector, quite possibly the most useful and important free application you can have running on your Windows machine.”

System Requirements

The list of requirements that must be met for the Secunia PSI to function correctly

View Details

Supported Languages

The Secunia PSI is now available in these 7 languages

Danish
English
French
German
Spanish
Norwegian
Dutch

Danish, English, French, German, Spanish, Norwegian and Dutch.

Frequently Asked Questions

Find quick answers to the most commonly asked question.

Go to the FAQ

Secunia PSI Resources

Tim and Dave (Video)
Short animated story about security and why Tim is happier than Dave.

Quick overview of Secunia PSI (PDF)
Get the overview without the technical jargon - listing features in the PSI 3.0 and explaining why you need it.

PSI 3.0 Walkthrough (Video)
So simple that anyone can be secure! watch this quick demonstration on how to use the PSI 3.0

Learn all about Secunia PSI (PDF)
Here is the full rundown of technical specifications for PSI 3.0




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