CometVPN Blog

Cybersecurity & Privacy

4 min read

5 Tips to Prevent Screen Hacking

Screen hacking is a new type of attack that injects fake touchpoints on a touchscreen by using electromagnetic interference EMI. A hacked screen can be used to perform any action on the device, including opening browsers, sending messages, or installing software.

Hackers use dedicated devices to send signals to your touchscreen that mimic the same signal sent when the screen is being touched. Luckily, it’s currently impossible to do that from a long distance, so the person has to be within a few meters of you, making it easier to understand what’s going on.

Rasa Sosnovskytė

Cybersecurity & Privacy

6 min read

Password Entropy: Definition and How to Calculate It

Password entropy is a key concept for creating a strong password. Expressed in bits of entropy, it gives us an objective measurement of how difficult it is to crack, guess, or brute-force attack passwords.

We all know that strong passwords must be complex and include lots of special characters, numbers, lowercase, and uppercase letters. Understanding what password entropy is and how to calculate it helps create strong passwords you can remember but criminals struggle to crack.

Guoda Šulcaitė

Cybersecurity & Privacy

8 min read

Can Ring Cameras Be Hacked? How to Protect Your Ring Devices

Owned by Amazon since 2018, Ring is one of the most popular manufacturers of smart home security devices. Ring doorbells, IP surveillance cameras, and home alarm systems connect to one wireless network that can be controlled from your phone.

As convenient as they are, Ring devices can become a home network security vulnerability instead of a security guarantee. Ring has done a lot to improve the security of its products, such as implementing end-to-end encryption. Still, you are the one in charge of your home and your home network security.

Can Ring cameras be hacked even if you take all the necessary precautions? We'll dive into the details and outline the steps you must take to protect your ring devices.

Guoda Šulcaitė

Cybersecurity & Privacy

6 min read

Understanding Threatware: Detection, Prevention, and Response

Threatware is an umbrella term that encompasses all types of malware, spyware, and other malicious programs. While it used to be only disruptive to regular operations, many new threatware programs also intend to steal information for monetary gain.

Current iterations of threatware can take many shapes and forms, from malicious websites that inject code to email attachments. Staying up to date with all of the newest developments in threatware is partly the job of cybersecurity professionals, however, everyone needs to know the basics.

Adomas Šulcas

Cybersecurity & Privacy

6 min read

Preventing Angler Phishing Attacks: A Comprehensive Guide

Most of us are already immune to the "traditional" phishing attacks via email. The vast majority of them are caught by the algorithms and go straight into the spam folder. Scammers do not rest and instead have switched their focus to social media users.

Impersonating companies and using your profile against you, scammers try to lure your personal information for their benefit in what's called an angler phishing attack. We'll discuss all you need to know to be safe from them.

Guoda Šulcaitė

Cybersecurity & Privacy

5 min read

NFC Security: Risks and How to Protect Yourself

NFC (Near-Field Communication) is a short-range wireless technology that allows devices to transmit information over short distances (usually, a few to a dozen centimeters). NFC signals are widely used for small, quick operations such as contactless payments and access control.

It’s built upon the RFID technology and is intended to be more secure. However, NFC security isn’t foolproof either – there’s plenty of ways for various people to abuse the system. Since NFC signals are used for important operations (e.g., contactless payments), knowing how to avoid such situations is vital.

Guoda Šulcaitė