Solutions for:

  • Home Products
  • Small Business 1-50 employees
  • Medium Business 51-999 employees
  • Enterprise 1000+ employees
Kaspersky official blog
  • My Account
    • My Kaspersky
    • My Products / Subscriptions
    • My Orders
  • Products
      • PREMIUM PROTECTION
        Kaspersky Premium

        Complete protection for your devices, online privacy & identity

      • ADVANCED PROTECTION
        Kaspersky Plus

        Combines security, performance & privacy features in one app

      • STANDARD PROTECTION
        Kaspersky Standard

        Enhanced protection with device performance booster

      • Privacy & Kids
      • Kaspersky Safe Kids
      • Kaspersky VPN
      • Kaspersky Password Manager
      • View All Solutions
  • Renew
  • Downloads
  • Support
  • Blog
    • Business
    • News
    • Privacy
    • Products
    • Special Projects
    • Technology
    • Threats
    • Tips
    • RSS
    • Newsletter subscription
  • Secure Futures
  • Solutions for:
  • Home
    • Security Solutions
      • Kaspersky Premium
      • Kaspersky Plus
      • Kaspersky Standard
      • View All Solutions
      • Privacy & Kids
      • Kaspersky Safe Kids
      • Kaspersky VPN
      • Kaspersky Password Manager
    • Renew Licence
    • Support
    • Trials&Update
  • Business
    • Kaspersky Next
    • Small Business (1-50 employees)
    • Medium Business (51-999 employees)
    • Enterprise (1000+ employees)
  • Search blog posts
  • Blog
    • Business
    • News
    • Privacy
    • Products
    • Special Projects
    • Technology
    • Threats
    • Tips
    • RSS
  • About us
    • About company
    • Transparency
    • Corporate News
    • Press Center
    • Careers
    • Sponsorships
    • Policy blog
    • Contacts
  • Partners
    • Find a Partner
    • Partners
  • My Account
    • Personal
      • My Kaspersky
      • Renew your product
    • Business
      • KSOS portal
      • Kaspersky Business Hub
      • Renew your License

Leonid Grustniy

124 articles

What is ClickFix and how to protect your company
  • social engineering

ClickFix technique: what it is and why it’s dangerous

An infection tactic called ClickFix is becoming increasingly popular among cybercriminals. We explain how such attacks work and how to protect your company against it.

  • Leonid Grustniy

  • April 29, 2025

What is the Log4Shell vulnerability, what harm can it do, and why is it still dangerous in 2022?
  • vulnerabilities

Log4Shell a year on

A year after discovery, the Log4Shell vulnerability is still making itself felt.

  • Leonid Grustniy

  • December 8, 2022

Here are some simple tips to protect your funds from fraudsters, phishers and carders when shopping online.
  • tips

Rules for safe online shopping

Here are some simple tips to protect your funds from fraudsters, phishers and carders when shopping online.

  • Leonid Grustniy

  • November 21, 2022

Sky Mavis robbed of $540 million in spyware attack
  • cryptocurrencies

A half-a-billion-dollar crypto heist

We review a major cryptocurrency theft using spyware inside a PDF.

  • Leonid Grustniy

  • July 22, 2022

If your internet connection is slow, one reason could be router malware. We explain how routers get infected and how to guard against attacks
  • tips

The hidden threats of router malware

Malware can infect your router, slow down the internet connection and steal data. We explain how to protect your Wi-Fi.

  • Leonid Grustniy

  • June 8, 2022

What is a browser-in-the-browser (BitB) attack
  • phishing

Browser-in-the-browser attack: a new phishing technique

We explain a new sneaky technique for stealing passwords, and how to avoid being tricked by a phishing site.

  • Leonid Grustniy

  • April 25, 2022

How to block cookies in Chrome, Safari, Firefox and Edge
  • Chrome

How to block cookies in your browser

Here’s how to configure cookies in Chrome, Safari, Firefox and Edge.

  • Leonid Grustniy

  • January 31, 2022

How to find a spy camera with your smartphone
  • privacy

Finding hidden cameras with your smartphone’s ToF sensor

We explain what a smartphone’s ToF sensor is and how researchers from Singapore propose using it to find hidden cameras.

  • Leonid Grustniy

  • January 17, 2022

Four ways to find hidden cams in hotel rooms, rented apartments, and elsewhere
  • privacy

Four ways to find spy cameras

How to check for hidden cameras in a hotel room or rented apartment.

  • Leonid Grustniy

  • December 20, 2021

We analyze some typical examples of phishing bait for movie streamers
  • phishing

Phishing in Netflix and beyond

We analyze some typical examples of phishing bait for movie streamers.

  • Leonid Grustniy

  • November 17, 2021

Five practical tips how to avoid file-encrypting infection and protect yourself from ransomers
  • Ransomware

Five tips for protecting yourself from ransomware

Guard against ransomers who encrypt your files and demand payment for their safe return.

  • Leonid Grustniy

  • August 27, 2021

Adware, Trojans, and other malware aren’t the only reasons not to download illegal games
  • gamers

The dangers of pirated games

Adware, Trojans, and other malware aren’t the only reasons not to download illegal games.

  • Leonid Grustniy

  • August 23, 2021

  • phishing

How to protect businesses from phishing

One click on a phishing link can cost a company both money and reputation. Here’s how to protect your company from phishing.

  • Leonid Grustniy

  • August 20, 2021

Three ways to connect multiple devices to one Kaspersky solution license
  • products

One license, several devices

Three ways to connect two or more devices to one Kaspersky license.

  • Leonid Grustniy

  • August 9, 2021

How to protect your credit card from kids' in-game spending
  • Safe Kids

How to protect your credit card from small kids

How young children can spend money on games, apps, and even YouTube, and what you can do to protect your wallet.

  • Leonid Grustniy

  • August 3, 2021

How to stop a teenager from spending your money in games
  • Safe Kids

How to protect your credit card from a young gamer

In computer games, where does the money go — and what can you do about it?

  • Leonid Grustniy

  • July 29, 2021

How to make hybrid work effective and secure at home and in the office
  • tips

How to make hybrid work effective and secure at home and in the office

Tips on security and productivity for those who work both from home and in an office.

  • Leonid Grustniy

  • July 20, 2021

How to turn off notifications in Windows 10, — all at once or selectively — and how to pause notifications with Focus Assist mode
  • tips

How to configure notifications in Windows 10

If notifications are interrupting your work or play, turn them off.

  • Leonid Grustniy

  • June 22, 2021

Scammers have been using a malicious script for the WeakAuras add-on to steal from World of Warcraft players.
  • gamers

A trick auction to steal gold in World of Warcraft

A malicious script in the WeakAuras add-on can eradicate several days of farming in WoW Classic in a second.

  • Leonid Grustniy

  • June 16, 2021

If your phone falls into the hands of criminals, do not panic. Here is how to protect your data
  • tips

What to do if your phone gets stolen

If your phone falls into the hands of criminals, do not panic. Here is how to protect your data.

  • Leonid Grustniy

  • June 2, 2021

No one is immune to smartphone theft, but you can make sure no thief will get even a byte of your important data.
  • tips

Theft-proof your smartphone and data

No one is immune to smartphone theft, but you can make sure no thief will get even a byte of your important data.

  • Leonid Grustniy

  • May 28, 2021

  • Previous
  • 1
  • 2
  • 3
  • …
  • 6
  • Next

Home Solutions

  • Kaspersky Standard
  • Kaspersky Plus
  • Kaspersky Premium
  • All Solutions

Small Business Products

1-100 EMPLOYEES
  • Kaspersky Small Office Security
  • Kaspersky Endpoint Security Cloud
  • All Products

Medium Business Products

101-999 EMPLOYEES
  • Kaspersky Next
  • Kaspersky Endpoint Security Cloud
  • Kaspersky Endpoint Security for Business Select
  • Kaspersky Endpoint Security for Business Advanced
  • All Products

Enterprise Solutions

1000 EMPLOYEES
  • Kaspersky Next
  • Cybersecurity Services
  • Threat Management and Defense
  • Endpoint Security
  • Hybrid Cloud Security
  • All Solutions

Copyright © 2026 AO Kaspersky Lab. All Rights Reserved.

  • Privacy Policy
  • Anti-Corruption Policy
  • License Agreement B2C
  • License Agreement B2B
  • Contact Us
  • About Us
  • Partners
  • Blog
  • Resource Center
  • Press Releases
  • Trust Kaspersky
  • Securelist

  • Eugene Personal Blog

  • Encyclopedia

  • Kaspersky ICS CERT

Global

  • Americas
  • Brasil
  • México
  • Africa
  • South Africa
  • Middle East
  • Middle East
  • الشرق الأوسط
  • Western Europe
  • Deutschland & Schweiz
  • España
  • France & Suisse
  • Italia & Svizzera
  • Nederland & België
  • United Kingdom
  • Eastern Europe
  • Polska
  • Türkiye
  • Россия (Russia)
  • Kazakhstan
  • Asia & Pacific
  • Australia
  • India
  • 中国 (China)
  • 日本 (Japan)
  • For all other countries
  • Global