CometVPN Blog

A firewall is a security system that is meant to protect your devices from harmful files, viruses, and hacks online. An important thing to understand is that there are more than one type of firewall out there, and they have different levels and features of security.

In this article, you will understand everything there is to know about SPI firewalls, which offer more robust security by ensuring that only safe online traffic is allowed through.

Not too long ago we were looking to install the best antiviruses to keep our devices safe. But with the increasingly upgraded security protocols in our computers and laptops, VPNs are becoming the new security measure for most of us.

Today, many different VPN service providers can help keep your online activities safe and enable you to access geo-restricted content worldwide. And at the heart of the underlying technology of virtual private networks are VPN protocols.

This guide will break down everything there is to know about VPN protocols. We'll explain what part they play in your security, connection speeds, and compatibility, and compare the main features of the most popular protocols to help you choose the best VPN protocol for you.

Key takeaways:

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.

Both VPN (virtual private network) and RDP (remote desktop protocol) are remote access technologies. You use an internet connection to access a computer that’s in a different location than yours and get the benefits as if you were using that computer.

There’s one key difference between a virtual private network and a remote desktop protocol – the level of control you get. A VPN server only provides you with internet traffic routing, encryption, and some other benefits. You continue using your machine for everything else.

Remote desktop protocol gives you access to the machine itself. You may get different levels of permissions (ranging from limited access to full administrative privileges), but in all cases you’ll get to control the machine itself to some extent.

Key Takeaways:

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.

Key takeaways:

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.