Spam

You have probably heard about phishing scams – fraudulent emails designed to rob you of sensitive data. Because phishing is one of the most widespread forms of cybercrime, it’s important to learn how to recognize these scams so you don’t get caught in the net. more

Many of us have experienced this problem: you can’t remember your password for an online service you don’t use that often and have to click “forgot password” to get a reset link. But even though a message pops up claiming that an email was sent to you, no reset link arrives. You click again. Nothing! What just happened? more

You may have seen headlines about ransomware attacks on institutions ranging from banks to hospitals to gas-pipelines. But what is ransomware, why is it dangerous, and can such attacks be prevented? Today, we answer your questions about ransomware. more

When it comes to annoying emails, most of us can identify some repeat offenders in our lives. Maybe it’s junk mail from a store that never seems to get around to taking you off their mailing list, or forwarded jokes from an uncle with way too much time on his hands. But you don’t have to put up with this any longer! more

It’s the dreaded bounce message: “Mail delivery failed: returning message to sender.” If you receive it, it means something went wrong and your email never made it to the intended recipient. But why can’t some emails be delivered, and who is the mysterious “mailer daemon” who sends them back to you? more

Phishing scams – where you receive fraudulent messages pretending to be from a trusted sender designed to trick you into revealing personal data – have unfortunately become widespread and the criminals behind them have refined their techniques. more

Your email bounces back with a permanent error: “A message that you sent could not be delivered to one or more of its recipients.” When you look at the bounce message closely, you see it’s been blocked by “Spamhaus.” What’s that all about? more

Whenever you send an email, the process would not be possible without the SMTP protocol. It’s used by mail servers to relay outgoing email messages from the senders and to the recipients. Unfortunately, spammers started abusing a loophole in the protocol – until SMTP authentication put a stop to this trick. more

We all hate spam text messages! And if it seems like you’ve been receiving more of them, it’s not just your imagination – as spam email and spam calls face increasing obstacles in the form of blocklists and government regulations, spammers have been increasingly turning to spam text messages. more

Feeling cybersecure? Ever stared at the computer screen hoping a malware attack was just some horrible practical joke? If you are like the rest of us and have experienced this moment, then don’t worry we’ve got your back. more