Leonid Grustniy

Things you should know about your home Internet connection: How to be sure it is safe and waste no time calling tech support.

Cybercriminals are bypassing mail spam filters by hiding documents with a malicious link in SharePoint Online.

Ex-employees can go to extremes for the sake of revenge. How to terminate a work relationship safely and securely.

Employees going away for the winter break? We explain what to do to keep trips from turning into corporate data leaks.

They say they have video of you watching porn, threaten to send it to your friends, and demand ransom in bitcoins? Don’t pay! We explain how this scam works.

We take a look at the Rotexy mobile Trojan: where it comes from, how it behaves, and how to get rid of it using a couple of regular SMS.

Banking Trojans are increasingly focused on online stores. We explain how not to become a victim of malware during the annual holiday sales.

Let’s talk about mobile malware that can empty your bank account or spy on you.

Forgotten online resources can be used for extortion or phishing

The infamous Lazarus group’s newest campaign is really hard to detect. Bonus: How cryptocurrencies, cybercriminals, and ramen noodles are connected.

KeyPass ransomware is infecting computers worldwide, encrypting almost everything in its path. And it all starts with downloading a seemingly innocuous installer.

Take a stroll through your apps and you’re bound to encounter some unfamiliar names. Where do those unaccounted-for apps on your PC come from, and are they safe?

How a sculpture from Japan is scaring WhatsApp users around the world, and how to protect children from such spooks on the Internet.

In this part, we consider mobile malware capable of causing real damage to smartphone and tablet users.

More than 400 manufacturing companies became phishing targets.

Fileless malware infects workstations and servers in corporate networks.

In the Netherlands, the creators of one of the first ransomware cryptors are on trial, thanks largely to us.

Password-based love? Sites that ban humans? In this post, we look at five fun and slightly bizarre projects to get you thinking about security.

The Rakhni encrypting ransomware, known since 2013, is now trying its hand at mining Monero.

In part one of our mobile malware series, we cover infectious Android malware — adware, subscribers, and flooders — and how mobile viruses can damage your smartphone or tablet…

How tools designed to study and protect rare species can turn from gamekeeper to poacher.