Kaspersky official blog

Why you need to back up important data stored online.

This phishing campaign incorporates ghost spoofing, embedded text in images, a PDF file, a QR code, DocuSign imitation, and Cloudflare verification — yet it still completely misses the mark.

We’ve discovered a new Trojan that’s very selective about its victims.

Our developments, products, research, patents and expert teams harnessed for AI.

An Office 365 security alert as bait in a phishing email.

Where and why quantum-resistant cryptography has already been implemented, and what compatibility issues it caused.

Why and how to create a local backup of cloud data, taking Notion as an example.

A guide to securely setting up the free office suite for organizations.

Windows Downdate is an attack that can roll back updates to your OS to reintroduce vulnerabilities and allow attackers to take full control of your system. How to mitigate the risk?

In the wake of Google and Facebook, Mozilla has introduced its own technology for replacing third-party cookies: let’s take a look at how privacy-preserving attribution works.

Telegram bot sells subscriptions to phishing tools to hack Microsoft 365 accounts, including 2FA bypass.

Cybercriminals are using AitM techniques to compromise accounts of company executives. How do they do this, and how to protect against it?

“Gentle grafters” are attacking dishonest crypto users by imitating wallet leaks and manipulating their victims for months.

Although Microsoft has radically revised the rollout plan for its controversial Recall feature, cybersecurity teams can’t afford to ignore the issue of “AI onlookers.

The masterminds behind the colossal botnet encompassing 19 million IP addresses used free VPN services as bait to lure unsuspecting users.

A zero-day vulnerability actively exploited by attackers has been discovered in Internet Explorer — the browser that Microsoft supposedly laid to rest over a year ago.

The JavaScript CDN service Polyfill.io has started spreading malicious code. Remove the service’s script from your website.

Almost six out of ten passwords can be cracked in less than an hour using either a modern graphics card or cloud services. All it costs is a few dollars and some free time. How this is possible and what to do about it is the topic of our study.

Our experts have discovered ransomware they’ve dubbed “ShrinkLocker”, which encrypts infected computers’ drives using BitLocker — a utility built into Windows.

We discuss key aspects of WhatsApp’s security and privacy, and how to configure this messenger to enhance protection.

Google has unveiled new privacy and security features coming to Android 15. We take a look at the innovations in the upcoming operating system update.