Tag Archives: alex holden

Kaseya Left Customer Portal Vulnerable to 2015 Flaw in its Own Software

July 8, 2021

Last week cybercriminals deployed ransomware to 1,500 organizations that provide IT security and technical support to many other companies. The attackers exploited a vulnerability in software from Kaseya, a Miami-based company whose products help system administrators manage large networks remotely. Now it appears Kaseya’s customer service portal was left vulnerable until last week to a data-leaking security flaw that was first identified in the same software six years ago.

How Does One Get Hired by a Top Cybercrime Gang?

June 15, 2021

38 Comments

The U.S. Department of Justice (DOJ) last week announced the arrest of a 55-year-old Latvian woman who’s alleged to have worked as a programmer for Trickbot, a malware-as-a-service platform responsible for infecting millions of computers and seeding many of those systems with ransomware.

Just how did a self-employed web site designer and mother of two come to work for one of the world’s most rapacious cybercriminal groups and then leave such an obvious trail of clues indicating her involvement with the gang? This post explores answers to those questions, as well as some of the ways Trickbot and other organized cybercrime gangs gradually recruit, groom and trust new programmers.

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

October 28, 2020

80 Comments

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 at hundreds of hospitals, clinics and medical care facilities across the United States. Today, officials from the FBI and the U.S. Department of Homeland Security hastily assembled a conference call with healthcare industry executives warning about an “imminent cybercrime threat to U.S. hospitals and healthcare providers.”

Report: U.S. Cyber Command Behind Trickbot Tricks

October 10, 2020

55 Comments

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 ransomware. A new report Friday says the coordinated attack was part of an operation carried out by the U.S. military’s Cyber Command.

Attacks Aimed at Disrupting the Trickbot Botnet

October 2, 2020

31 Comments

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 being harvested for financial data and are often used as the entry point for deploying ransomware within compromised organizations.

Business ID Theft Soars Amid COVID Closures

July 27, 2020

21 Comments

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 the COVID-19 pandemic, KrebsOnSecurity has learned. This story is about the victims of a particularly aggressive business ID theft ring that’s spent years targeting small businesses across the country and is now pivoting toward using that access for pandemic assistance loans and unemployment benefits.

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

June 9, 2020

101 Comments

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 sprang their attack, deploying ransomware and demanding nearly $300,000 worth of bitcoin. City officials now say they plan to pay the ransom demand, in hopes of keeping the personal data of their citizens off of the Internet.

Ukraine Nabs Suspect in 773M Password ‘Megabreach’

May 19, 2020

27 Comments

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 of stolen data in history.” A subsequent review by KrebsOnSecurity quickly determined the data was years old and merely a compilation of credentials pilfered from mostly public data breaches. Earlier today, authorities in Ukraine said they’d apprehended a suspect in the case.

How Cybercriminals are Weathering COVID-19

April 30, 2020

17 Comments

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 a more target-rich environment for phishers, scammers and malware purveyors. In addition, many crooks are finding the outbreak has helped them better market their cybercriminal wares and services. But it’s not all good news: The Coronavirus also has driven up costs and disrupted key supply lines for many cybercriminals.

Coronavirus Widens the Money Mule Pool

March 17, 2020

19 Comments

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 who get roped into money laundering schemes under the pretense of a work-at-home job offer. Here’s the story of one upstart mule factory that spoofs a major nonprofit and tells new employees they’ll be collecting and transmitting donations for an international “Coronavirus Relief Fund.”