Krebs on Security

JUNE 21, 2023

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. biz , a long-running crypting service that is trusted by some of the biggest names in cybercrime.

Malware 219

Malware Antivirus Cybercrime Hacking 219

Krebs on Security

AUGUST 2, 2022

The underground cybercrime forums are now awash in pleas from people who are desperately seeking a new supplier of abundant, cheap, and reliably clean proxies to restart their businesses. According to Constella Intelligence [currently an advertiser on KrebsOnSecurity], Oleg used the same password from his iboss32@ro.ru

Malware 256

Malware Cybercrime Internet Internet 256

Krebs on Security

NOVEMBER 16, 2022

A financial cybercrime group calling itself the Disneyland Team has been making liberal use of visually confusing phishing domains that spoof popular bank brands using Punycode , an Internet standard that allows web browsers to render domain names with non-Latin alphabets like Cyrillic.

Malware 273

Malware Banking Phishing DDOS 273

Krebs on Security

APRIL 4, 2024

For example, this account at Medium has authored more than a dozen blog posts in the past year singing the praises of Tornote as a secure, self-destructing messaging service. com is currently selling security cameras made by the Chinese manufacturer Hikvision , via an Internet address based in Hong Kong. io seem like a legitimate website.

Phishing 216

Phishing Cryptocurrency DDOS Internet 216

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. su between 2016 and 2019. ”

VPN 304

VPN Computers and Electronics Antivirus Software 304

Krebs on Security

NOVEMBER 13, 2018

Randall said she didn’t notice at the time because she was in the middle of switching careers, didn’t have any active photography clients, and had gotten out of the habit of checking that email account. “I still don’t have access to it because I don’t have access to the email account tied to my old domain. .

Accountability 217

Accountability eCommerce Cybercrime Advertising 217

Krebs on Security

DECEMBER 8, 2022

.” While CLOP as a money making collective is a fairly young organization, security experts say CLOP members hail from a group of Threat Actors (TA) known as “TA505,” which MITRE’s ATT&CK database says is a financially motivated cybercrime group that has been active since at least 2014.

Healthcare 265

Healthcare Backups Ransomware Insurance 265

Krebs on Security

JUNE 6, 2023

One of the most expensive aspects of any cybercriminal operation is the time and effort it takes to constantly create large numbers of new throwaway email accounts. However, far more interesting is their program for rewarding people who choose to sell Kopeechka usernames and passwords for working email addresses.

Accountability 212

Accountability Scams Cryptocurrency Advertising 212

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

MARCH 29, 2022

It involves compromising email accounts and websites tied to police departments and government agencies, and then sending unauthorized demands for subscriber data while claiming the information being requested can’t wait for a court order because it relates to an urgent matter of life and death. THE LAPSUS$ CONNECTION.

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. “These guys are looking for low-hanging fruit — basically cash in your inbox.

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

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. Group-IB believes UltraRank is responsible for a slew of hacks that other security firms previously attributed to at least three distinct cybercrime groups.

Cybercrime 209

Cybercrime Media Accountability Hacking 209

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.

Mobile 184

Mobile Government Media Technology 184

Krebs on Security

NOVEMBER 6, 2018

that has been tracking down individuals engaged in unauthorized “SIM swaps” — a complex form of mobile phone fraud that is often used to steal large amounts of cryptocurrencies and other items of value from victims. OG accounts typically can be resold for thousands of dollars. ” FAKE IDs AND PHONY NOTES.

Mobile 236

Mobile Cryptocurrency Accountability Passwords 236