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All you need to know about end-to-end encryption in WhatsApp
WhatsApp locks every personal chat, call, photo, and video with end-to-end encryption (E2EE). Only you and the person you talk to hold the cryptographic keys, so nobody in the middle, including WhatsA...
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What is spam risk, and how can you stop these calls?
That “Spam Risk” notification on your phone is more than an annoyance. It’s a warning that an unknown caller might be a telemarketer, a robocaller, or a scammer. These interruptions disrupt your...
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Space cybersecurity: What it is and why it matters
A morning like any other. You tap your phone for a rideshare and check the forecast before going out. These actions rely on satellites that orbit hundreds or even thousands of kilometers above you. If...
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HTTP vs. HTTPS: How to choose the secure option for your site
You see it every day, even if you don’t notice it. That little prefix at the start of every web address: http:// or https://. It might seem like a tiny detail, and maybe you’ve wondered what the d...
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What is a VPN kill switch, and how does it work? (+ setup guide for different devices)
A virtual private network (VPN) masks your IP address, encrypts your traffic, and conceals your activity from third parties and potential eavesdroppers until the moment the connection drops. That shor...
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The true cost of cyberattacks: Why breaches keep getting more expensive
Cyberattacks can strike in seconds but leave you paying for months. A ransom note may appear the moment attackers break in, but the real cost, such as instant containment, forensic investigations, leg...
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Most secure operating systems ranked: Secure data today
Staying safe online starts long before you open a browser tab. Your choice of operating system (OS) sets the baseline for everything that follows, from patch management and kernel hardening to the way...
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WhatsApp scams: What they are and how to stay safe
WhatsApp has over three billion users who exchange over 140 billion messages every day, and this makes it a prime hunting ground for cybercriminals. From fraudulent "urgent" pleas to too-good-to-be-tr...
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What is a zip bomb, and how can it harm your system?
Zip bombs may look like tiny, harmless files, but they pose a real threat. Imagine receiving a zip file in an email, just a few kilobytes in size, which looks perfectly harmless. Then, when you open i...
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SIM swapping: What you need to know to stay protected
Your phone number is more powerful than you think: it's a key to recovering access to your bank account, email, crypto wallet, and social feeds. But that convenience has a downside, as criminals can s...
