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What is personal information? Definition, examples, and protection
Every time someone signs up for an online account, enters a shipping address, or logs into an app, they share pieces of personal information. In this guide, we break down what counts as personal infor...
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What is a pass-the-hash attack and how to prevent it
Windows has several ways to verify a user's identity on a network. One of the older methods is the New Technology LAN Manager (NTLM) protocol. It converts a password into a cryptographic value known a...
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What is HTTP/3 and should you use it?
HTTP/3 is the newest version of Hypertext Transfer Protocol (HTTP), the protocol that allows browsers to request web pages and servers to send them back. It defines how those requests and responses ar...
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How to reset NVRAM (PRAM) and SMC on your Mac easily
Some Mac issues don't respond to the usual fixes. Restarting doesn't help, and updates don't change anything. You might see settings reset on their own, a flashing question mark folder at startup, fan...
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What is QUIC? The QUIC network protocol explained
When you load a webpage, your browser has to connect to a server, set up encryption, and then start sending and receiving data. These steps are governed by a network protocol. For most web traffic, th...
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How to fix “Apple could not verify app is free of malware”
You’ve downloaded an app, double-clicked it, and macOS stops you with a message: “Apple couldn’t verify the app is free of malware.” You might also see variations like “Apple cannot verify t...
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What is SysJoker malware? Risks, detection, and prevention
Some malware doesn’t cause immediate disruption or obvious signs of compromise. It runs in the background and resembles normal system activity, which can delay detection. When a threat isn’t ident...
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How to clear cache on iPhone and speed things up
Clearing the cache on your iPhone can improve loading speed in certain situations, free up storage, and resolve website or app glitches. It isn’t a guaranteed solution and won't fix every slowdown. ...
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What is a cybersecurity risk assessment and how does it work?
Security decisions are only as good as an organization's understanding of its own environment. When that understanding is incomplete, teams can struggle to see where real risk exists or how serious it...
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What is DNS spoofing? Learn how it affects your security
Websites are hosted on servers identified by IP addresses, but you access them by typing domain names. Domain Name System (DNS) translates names like example.com into the numeric addresses your device...
