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What is a buffer overflow, and why is it dangerous?
A buffer overflow occurs when a program writes more data to a fixed-size memory buffer than it was designed to hold, causing the excess data to spill into adjacent memory. Programs need memory to stor...
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What you need to know about Locky ransomware
Ransomware incidents are time-sensitive and costly, and Locky is a well-known example of how quickly an infection can encrypt files and disrupt access. This guide reviews how Locky campaigns have oper...
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What is a deauthentication attack, and how do you protect yourself?
If you’ve ever been kicked off a network repeatedly, experienced sudden slowdowns, or watched all devices disconnect at once, the cause may not be a weak signal or router issue. It could be a deauth...
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Rainbow table attack: What is it and how to stay safe
When you sign up for a service, your password is typically converted into a hash before it’s stored. A rainbow table is an offline reference that pairs common passwords with their corresponding hash...
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What is steganography? A complete guide to hidden data techniques
Steganography is the practice of hiding secret information within a larger, ordinary-looking message. In a cybersecurity context, this often means embedding hidden data within common file types, such ...
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Signs that your phone screen is hacked, and how to fix it
If your phone screen starts registering touches you didn't make, apps start opening on their own, or text appears in search fields without your input, you need to investigate. These symptoms could ste...
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What is killware? How it works and how to stay protected
While most cyberattack methods are defined by their method or intent, killware is defined by its outcome. It’s an umbrella term for cyberattacks that lead to real-world physical harm, regardless of ...
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What is Kerberoasting and why it matters for cybersecurity
Kerberoasting is a notable cybersecurity threat that exploits weaknesses in how enterprise authentication systems are used and managed. This technique has drawn attention because attackers can abuse l...
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What is PKI, and why does it matter for online security?
Trust plays a central role in how modern digital systems operate. They require dependable methods to verify identities and ensure that there’s no tampering during transmission across networks. Publi...
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How to identify and respond to NetWalker ransomware attacks
NetWalker was a well-known ransomware operation, first identified in 2019, which became especially prominent during the COVID-19 pandemic. Attackers used it to encrypt victims’ files and demand rans...