Cyber Monday: The biggest day for cyberattacks? Not by a long shot.

Last week, the Zscaler ThreatLabZ research team did an analysis of phishing attacks we’ve come across in our cloud leading up to Black Friday and Cyber Monday. The team had been seeing an increase in a variety of phishing activities, with targeted attacks and faked login pages designed to steal ... Read More

Zscaler ThreatLabZ Phishing Roundup

| | Phishing
Phishing is an attempt to steal personally identifiable information, such as Social Security numbers, credit card details, date of birth, and other sensitive data. Typically, phishing targets a user with an email containing a link to a website that imitates a legitimate website the user might visit. As users have ... Read More

Cryptomining is here to stay in the enterprise

After Bitcoin hit highs above $19,000 in December, cryptocurrency has received even more attention as speculation about the currency continues. It should be no surprise then that there has been a rise in cryptomining activity. Cryptomining is “the process by which transactions are verified and added to the public ledger, ... Read More

February 2018 Zscaler SSL Threat Report

SSL was introduced in 1994 and TLS in 1999 in response to growing concerns on the security of data being transmitted over the internet. However, the very protocol that was heralded as the ultimate cyber guard has ironically become an increasingly popular tool for cybercriminals to hide their nefarious acts ... Read More

Meltdown and Spectre vulnerabilities: What you need to know

Two major security vulnerabilities in processors, dubbed Meltdown and Spectre, were disclosed earlier this week by Google's Project Zero team. With the ability to allow attackers to gain unauthorized access to sensitive information in memory, Meltdown and Spectre represent a new class of microarchitectural attacks that use processor chip performance ... Read More

Bad Rabbit – A new Petya ransomware variant

| | Ransomware
Please join our webcast for additional details regarding this attack. Updated - October 25, 2017 Introduction Almost four months after the last major outbreak, we are seeing a new variant of Petya ransomware dubbed "Bad Rabbit," and it's impacting multiple businesses, primarily in Russia and Ukraine. There have also been ... Read More