Malware

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CSO  >  malware / virus / security threat / protective antivirus shield

Best antivirus software: 10 top tools

These top-ranking Windows 10 client antivirus products were tested on three primary criteria: protection, performance, and usability.

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Black Hat 2019: 3 cybersecurity concerns and 3 things that give hope

At this year's Black Hat, it was evident that several cybersecurity issues remain a concern, but the industry is making progress.

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12 things every computer security pro should know

Fighting the good fight takes specialized knowledge. Here's the baseline of what all security pros should know.

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What is a computer worm? How this self-spreading malware wreaks havoc

A worm is a form of malware (malicious software) that operates as a self-contained application and can transfer and copy itself from computer to computer.

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Looking for answers at Black Hat 2019: 5 important cybersecurity issues

As Black Hat 2019 begins, the cybersecurity topics top of mind include network security platforms, threat detection/response services, new cloud security strategies, and clarification around security analytics.

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What is cryptojacking? How to prevent, detect, and recover from it

Criminals are using ransomware-like tactics and poisoned websites to get your employees’ computers to mine cryptocurrencies. Here’s what you can do to stop it.

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15 signs you've been hacked -- and how to fight back

Redirected internet searches, unexpected installs, rogue mouse pointers: Here's what to do when you've been hacked.

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Hunting vintage MS-DOS viruses from Cuba to Pakistan

Security researchers and enthusiasts try to understand and preserve the history of malware.

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Network traffic analysis tools must include these 6 capabilities

Organizations want advanced analytics, threat intelligence integration, and IoT support among other things in network traffic analysis (NTA) tools.

CSO  >  What is a computer virus?

What is a computer virus? How they spread and 5 signs you've been infected

A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.

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Of mice and malware

Some of the most important training I got for a career in computer security research was not from a computer-related class, but in a biology class. While these two disciplines may seem entirely unrelated, the skills that are needed in...

CSO  >  Adware  >  Browser windwows containing malicous code

What is adware? How it works and how to protect against it

Adware is deceptive software that earns its creators money through fraudulent user clicks. Fortunately, it's one of the the most detectable types of malware.

CSO  >  Botnet  >  Robots amid a blue binary matrix

What is a botnet? When armies of infected IoT devices attack

A botnet is a collection of internet-connected devices that an attacker has compromised. Commonly used in distributed denial of service (DDoS) attacks, botnets can also take advantage of their collective computing power to send large...

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What is a Trojan horse? How this tricky malware works

A Trojan horse is a type of malware that can wreak havoc on computer networks — but only with your unwitting help.

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6 ways malware can bypass endpoint protection

Breaches from attacks that defeat or run around endpoint protection measures are on the rise. Here's how attackers do it.

CSO  >  malware / security threat / skull and crossbones on a user's screens

4 tips for getting the most from threat intelligence

It’s easy to gather data on potential threats, but you have to know what to do with that intelligence if you want to improve your security stance.

CSO  >  danger / security threat / malware / binary skull overlaying binary code

What is malware? How to prevent, detect and recover from it

Malware is a blanket term for viruses, worms, trojans, and other harmful computer programs hackers use to wreak destruction and gain access to sensitive information. Learn what malware does and how you can remove it—or prevent it.

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How to get started using Ghidra, the free reverse engineering tool

The Ghidra reverse engineering tool is free to download and use and is a worthy alternative to incumbent IDA Pro. Here's what you need to know to get started. (Some assembly required.)

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