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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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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...
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What is MAC flooding? How the attack works and why it’s a security risk
Many local networks use devices called switches to move data between laptops, phones, printers, and servers. Instead of sending every piece of data to every connected device, a switch forwards traffic...
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How to ensure NFC security for safe transactions
Near Field Communication (NFC) security depends on a small number of technical controls. When these controls work as intended, NFC payments and taps are difficult to intercept or misuse. When they’r...
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What to do if your Twitch account gets hacked
Attackers who gain access to your Twitch account may be able to change your login credentials, make unauthorized purchases, broadcast inappropriate content, or use your channel to scam your followers....
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What is Emotet malware? How it spreads and how to stop it
Emotet is a long-running and highly adaptable malware strain that keeps coming back, even after major takedowns. It’s been around for years and is responsible for large-scale attacks against organiz...
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What is a phishing campaign, and how do you stay protected?
Some phishing messages are easy to recognize: for example, an email from a “Nigerian prince” promising to send you millions of dollars, or a text message with spelling and grammar mistakes saying ...
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What is eavesdropping in cybersecurity, and how do you prevent it?
Eavesdropping in cybersecurity is when an unauthorized party secretly intercepts digital communications as they travel across a network. Typically, their aim is to collect sensitive information such a...
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What is a dumpster diving attack in cybersecurity?
Most people think of trash as the end of the line, but in cybersecurity, it can be the starting point for some malicious actors. Instead of (or in addition to) hacking digital systems, dumpster diving...
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What is shimming in cybersecurity, and how can you protect against it?
When you use a device or an app, it doesn’t handle every task by itself. To work properly, it relies on other parts of the same system to do specific jobs. A payment terminal relies on software to p...
Cybersecurity
