CometVPN Blog

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Imagine being at work or relaxing after a tiresome day, and suddenly, you receive a phone call. The screen flashes: “No Caller ID.” Even if it was only an unknown number, you might hesitate whether you should answer, for it might be one of those spam calls by scammers or telemarketers. But “No Caller ID” sets off a whole new level of alarming curiosity.

These oddly looking calls are more than just an annoyance – they can be a privacy risk or a gateway to scams. To avoid these threats materializing, one needs to learn how to identify and handle these calls without getting into a trap and keeping a peaceful mind.

In this guide, you will find practical tips on identifying and blocking calls with no caller ID for better privacy.

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Blockchain wallets are widely used to manage cryptocurrency. With them, you can access your private keys and send, receive, and store your digital assets securely. However, as cyber threats keep raising more security issues, users often ask “is a blockchain wallet safe?”

In this article, you will find the answer to your question and discover the basics of blockchain wallets, look at their security features, and find tips that will help keep your crypto wallets safe.

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Realizing your phone has been hacked is much more than an inconvenience. From storing pictures of your cat to accessing your bank account and making purchases, we rely on smartphones for almost everything.

The more you use your smartphone, the more important it is to know how to spot, fix, and prevent malware attacks. Most hacks on Android and iOS devices can be reversed, so once you suspect something, it's important to stay calm and take immediate action.

A cybercriminal isn't always a loner writing code in his mom's basement. Often, malicious software is created by multimillion-dollar corporations with their own LinkedIn profiles and Wikipedia pages.

Such is the NSO Group, the developers of the notorious Pegasus spyware. This software can extract a wealth of data from the victim's smartphone - conversations, chats, photos, geo-location, without them even falling for a phishing attack.

The company positions itself as fighting terrorism but has been listed as a threat to the US, and, reportedly, Pegasus spyware was used against journalists and activists. The lines between proper and improper spyware are becoming blurry. What can we do to avoid it being used against us?

An international law enforcement team has successfully arrested hundreds of criminals and seized their illegal assets. All thanks to an allegedly encrypted messaging app with data collection backdoors for the FBI.

That's where the name FBI honeypot comes from. But while effective in catching criminals, honeypots raise important privacy and security concerns.

After such a precedent is set, how can anyone be sure he isn't falling for a honey trap even without any criminal intentions?

We’re all familiar with the pain of sudden internet connection problems, instability, and the constant website crashes. And while this could just be an innocent connection loss, it could also be a sign of an IP fragmentation attack.

Although a lesser-known threat, it’s a type of cyber attack that exploits the way internet protocols handle data transmission to evade firewalls, disrupt services, and infiltrate networks undetected.

If successful, a slowed internet would be the least of your worries – there would also be a risk of major application crashes, and worst still, malicious and unauthorized data breaches. That’s why it’s important to be informed and know how to protect your device properly.