STAR Webcast: Spooky RYUKy: The Return of UNC1878

FBI, DHS, HHS Warn of Imminent, Credible Ransomware Threat Against U.S. Hospitals

On Monday, Oct. 27, KrebsOnSecurity began following up on a tip from a reliable source that an aggressive Russian cybercriminal gang known for deploying ransomware was preparing to disrupt information technology systems ...
Report: U.S. Cyber Command Behind Trickbot Tricks

Report: U.S. Cyber Command Behind Trickbot Tricks

A week ago, KrebsOnSecurity broke the news that someone was attempting to disrupt the Trickbot botnet, a malware crime machine that has infected millions of computers and is often used to spread ...
Attacks Aimed at Disrupting the Trickbot Botnet

Attacks Aimed at Disrupting the Trickbot Botnet

Over the past 10 days, someone has been launching a series of coordinated attacks designed to disrupt Trickbot, an enormous collection of more than two million malware-infected Windows PCs that are constantly ...
Business ID Theft Soars Amid COVID Closures

Business ID Theft Soars Amid COVID Closures

Identity thieves who specialize in running up unauthorized lines of credit in the names of small businesses are having a field day with all of the closures and economic uncertainty wrought by ...
Florence, Ala. Hit By Ransomware 12 Days After Being Alerted by KrebsOnSecurity

Florence, Ala. Hit By Ransomware 12 Days After Being Alerted by KrebsOnSecurity

In late May, KrebsOnSecurity alerted numerous officials in Florence, Ala. that their information technology systems had been infiltrated by hackers who specialize in deploying ransomware. Nevertheless, on Friday, June 5, the intruders ...
Ukraine Nabs Suspect in 773M Password ‘Megabreach’

Ukraine Nabs Suspect in 773M Password ‘Megabreach’

In January 2019, dozens of media outlets raised the alarm about a new “megabreach” involving the release of some 773 million stolen usernames and passwords that was breathlessly labeled “the largest collection ...
How Cybercriminals are Weathering COVID-19

How Cybercriminals are Weathering COVID-19

In many ways, the COVID-19 pandemic has been a boon to cybercriminals: With unprecedented numbers of people working from home and anxious for news about the virus outbreak, it's hard to imagine ...
Coronavirus Widens the Money Mule Pool

Coronavirus Widens the Money Mule Pool

With many people being laid off or working from home thanks to the Coronavirus pandemic, cybercrooks are almost certain to have more than their usual share of recruitable "money mules" -- people ...
Zyxel 0day Affects its Firewall Products, Too

Zyxel 0day Affects its Firewall Products, Too

On Monday, networking hardware maker Zyxel released security updates to plug a critical security hole in its network attached storage (NAS) devices that is being actively exploited by crooks who specialize in ...
Zyxel Fixes 0day in Network Storage Devices

Zyxel Fixes 0day in Network Storage Devices

Networking hardware vendor Zyxel today released an update to fix a critical flaw in many of its network attached storage (NAS) devices that can be used to remotely commandeer them. The patch ...