article thumbnail

New T-Mobile Breach Affects 37 Million Accounts

Krebs on Security

T-Mobile today disclosed a data breach affecting tens of millions of customer accounts, its second major data exposure in as many years. In a filing with federal regulators, T-Mobile said an investigation determined that someone abused its systems to harvest subscriber data tied to approximately 37 million current customer accounts.

Mobile 338
article thumbnail

Microsoft Patch Tuesday, August 2021 Edition

Krebs on Security

Microsoft said attackers have seized upon CVE-2021-36948 , which is a weakness in the Windows Update Medic service. Redmond says while CVE-2021-36948 is being actively exploited, it is not aware of exploit code publicly available. 10, 2021 for all versions of Windows, and is documented as CVE-2021-34481.

Software 322
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

FBI: Spike in Hacked Police Emails, Fake Subpoenas

Krebs on Security

The Federal Bureau of Investigation (FBI) is urging police departments and governments worldwide to beef up security around their email systems, citing a recent increase in cybercriminal services that use hacked police email accounts to send unauthorized subpoenas and customer data requests to U.S.-based based technology companies.

Hacking 293
article thumbnail

12 Online Resolutions for 2021

Adam Levin

Here are 12 New Year Resolutions for a safer and more secure digital you in 2021: Think before you click that email link: 2020 was a record-breaking year for ransomware, malware, and phishing , and many, if not most of these attacks were launched with the click on a link in an email. That’s always the case when it comes to cybersecurity.

VPN 245
article thumbnail

Twitter Exposes Personal Information for 5.4 Million Accounts

Schneier on Security

million accounts. As a result of the vulnerability, if someone submitted an email address or phone number to Twitter’s systems, Twitter’s systems would tell the person what Twitter account the submitted email addresses or phone number was associated with, if any. This bug resulted from an update to our code in June 2021.

article thumbnail

Service Rents Email Addresses for Account Signups

Krebs on Security

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. The service in question — kopeechka[.]store ” “Are you working on large volumes and are costs constantly growing? The service in question — kopeechka[.]store

article thumbnail

Report: Big U.S. Banks Are Stiffing Account Takeover Victims

Krebs on Security

consumers have their online bank accounts hijacked and plundered by hackers, U.S. But new data released this week suggests that for some of the nation’s largest banks, reimbursing account takeover victims has become more the exception than the rule. But Warren did get the requested information from PNC, Truist and U.S.

Banking 286