Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. Usually, these users have no idea their systems are compromised.

Malware 203

Malware VPN Internet Internet 203

Krebs on Security

AUGUST 17, 2023

The INTERPOL statement says the platform sold hacking tools to compromise more than 70,000 users in 43 countries. For example, in 2019 McAfee found that for targets in Japan, the 16Shop kit would also collect Web ID and Card Password, while US victims will be asked for their Social Security Number. Image: Akamai.

Phishing 192

Phishing Passwords Internet Internet 192

Krebs on Security

APRIL 3, 2024

Roughly nine years ago, KrebsOnSecurity profiled a Pakistan-based cybercrime group called “ The Manipulaters ,” a sprawling web hosting network of phishing and spam delivery platforms. Manipulaters advertisement for “Office 365 Private Page with Antibot” phishing kit sold on the domain heartsender,com.

Phishing 221

Phishing Cybercrime Malware Advertising 221

Krebs on Security

JUNE 28, 2022

That same day, AWM Proxy — a 14-year-old anonymity service that rents hacked PCs to cybercriminals — suddenly went offline. Launched in March 2008, AWM Proxy quickly became the largest service for crooks seeking to route their malicious Web traffic through compromised devices.

Passwords 242

Passwords Malware Internet Internet 242

Krebs on Security

AUGUST 2, 2022

With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. Last week, a seven-year-old proxy service called 911[.]re Image: Spur.us. The disruption at 911[.]re

Malware 256

Malware Cybercrime Internet Internet 256

Krebs on Security

DECEMBER 8, 2022

First spotted in mid-August 2022 , Venus is known for hacking into victims’ publicly-exposed Remote Desktop services to encrypt Windows devices. Using hard-to-crack unique passwords to protect sensitive data and accounts, as well as enabling multi-factor authentication. healthcare organizations.

Healthcare 265

Healthcare Backups Ransomware Insurance 265

Krebs on Security

NOVEMBER 13, 2018

“When I tried to reset the account password through Instagram’s procedure, I could see that the email address on the account had been changed to a.ru ” The report tracks the work of Magecart — the name given to a collective of at least seven cybercrime groups involved in hacking Web sites to steal payment card data.

Accountability 217

Accountability eCommerce Cybercrime Advertising 217

Krebs on Security

JULY 18, 2022

These services can be used in a legitimate manner for several business purposes — such as price comparisons or sales intelligence — but they are massively abused for hiding cybercrime activity because they can make it difficult to trace malicious traffic to its original source. A cached copy of flashupdate[.]net FORUM ACTIVITY?

VPN 304

VPN Computers and Electronics Antivirus Software 304

Krebs on Security

JULY 29, 2021

Every time there is another data breach, we are asked to change our password at the breached entity. Our continued reliance on passwords for authentication has contributed to one toxic data spill or hack after another.

Passwords 356

Passwords Password Management Phishing Scams 356

Krebs on Security

FEBRUARY 2, 2021

ValidCC , a dark web bazaar run by a cybercrime group that for more than six years hacked online merchants and sold stolen payment card data, abruptly closed up shop last week. “We don’t know users’ balances, or your account logins or passwords, or the [credit cards] you purchased, or anything else!

Cybercrime 209

Cybercrime Media Accountability Hacking 209

Krebs on Security

MARCH 29, 2022

The reality that teenagers are now impersonating law enforcement agencies to subpoena privileged data on their targets at whim is evident in the dramatic backstory behind LAPSUS$ , the data extortion group that recently hacked into some of the world’s most valuable technology companies , including Microsoft , Okta , NVIDIA and Vodafone.

Accountability 275

Accountability Government Hacking Social Engineering 275

Krebs on Security

SEPTEMBER 2, 2021

Here’s the story of a cybercrime group that compromises up to 100,000 email inboxes per day, and apparently does little else with this access except siphon gift card and customer loyalty program data that can be resold online. ” On top of that, it’s also difficult to know how much activity you’re not seeing. .

Accountability 292

Accountability Authentication Passwords Hacking 292

Krebs on Security

FEBRUARY 28, 2023

In each case, the goal of the attackers was the same: Phish T-Mobile employees for access to internal company tools, and then convert that access into a cybercrime service that could be hired to divert any T-Mobile user’s text messages and phone calls to another device.

Mobile 312

Mobile Phishing Authentication Advertising 312

Krebs on Security

APRIL 27, 2022

When KrebsOnSecurity recently explored how cybercriminals were using hacked email accounts at police departments worldwide to obtain warrantless Emergency Data Requests (EDRs) from social media firms and technology providers, many security experts called it a fundamentally unfixable problem. EDR OVERLOAD?

Mobile 184

Mobile Government Media Technology 184