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A major AT&T data leak posted to the dark web included passcodes, Social Security numbers

Business Insider

Business Insider · 1y ago

A major AT&T data leak posted to the dark web included passcodes, Social Security numbers

AT&T has reset passwords on millions of customer accounts after a data leak on the dark web. The leak, which contains encrypted passcodes and Social Security numbers, appears to consist of user information from 2019 or earlier. The leaked data impacts approximately 7.6 million current AT&T account holders and 65.4 million former account holders. AT&T is contacting affected customers and offering credit monitoring services. This incident follows a February outage that affected millions of AT&T customers, though the company stated that it was not caused by a cyberattack.

Related News

AT&T confirms data breach and resets millions of customer passcodes

The Verge

The Verge · 1y ago

AT&T confirms data breach and resets millions of customer passcodes

AT&T has confirmed a data leak that has compromised the personal information of over 7.6 million current customers and 65 million former customers. The leaked information includes names, email addresses, phone numbers, social security numbers, and more. The company has taken action by resetting security passcodes for affected active customers and notifying them via email or letter. The leak was originally discovered by TechCrunch, who alerted AT&T of the vulnerability in their encrypted passcodes. The passcodes were found to be easily decipherable, raising concerns about customer data security.

AT&T notifies regulators after customer data breach

TechCrunch · 1y ago

AT&T notifies regulators after customer data breach

AT&T has officially confirmed that millions of customer records leaked online last month were indeed authentic, and it has started notifying affected individuals. The data breach compromised personal information such as names, email addresses, mailing addresses, dates of birth, phone numbers, and social security numbers of more than 51 million people, including around 90,000 customers in Maine. AT&T took three years to acknowledge the breach, which occurred in mid-2019. The leaked data also included encrypted account passcodes, some of which were easily deciphered by a security researcher. AT&T is offering identity theft and credit monitoring to affected customers and is yet to determine the source of the leak.

AT&T resets account passcodes after millions of customer records leak online

TechCrunch · 1y ago

AT&T resets account passcodes after millions of customer records leak online

AT&T is resetting customer account passcodes after a massive data breach in 2019 was revealed. The telco giant took action after learning that the leaked data contained encrypted passcodes that could potentially be decrypted and used to access customer accounts. The leaked data, affecting approximately 7.6 million current account holders and 65.4 million former account holders, includes customer names, addresses, phone numbers, dates of birth, and Social Security numbers. AT&T stated that there is no evidence of unauthorized access resulting in data exfiltration, but is conducting a thorough investigation with cybersecurity experts.

16 Billion Passwords Leaked! The Biggest Data Breach Ever? | TechPulse

Economic Times

Economic Times · 8d ago

16 Billion Passwords Leaked! The Biggest Data Breach Ever? | TechPulse

A massive data breach has exposed over 16 billion passwords, marking it as potentially the largest in internet history. This leak, discovered by Cybernews and Forbes, involves fresh, structured data sourced through advanced infostealer malware, posing significant risks to global digital security. Affected users are urged to check if their credentials are compromised, as the leaked data spans platforms from social media to banking services, accessible on the dark web.

AT&T Data Hack Prompts FCC Probe, Raises Broad Security Concerns

Livemint

Livemint · 12m ago

AT&T Data Hack Prompts FCC Probe, Raises Broad Security Concerns

AT&T has disclosed a massive cybersecurity breach where hackers gained access to mobile-phone customer data for a span of six months. The breach compromised calls, text data, numbers dialed, and a subset of location data for almost all of AT&T's 115 million customers. While the stolen records did not include customer names or personal information like Social Security numbers, it still poses potential privacy and national security risks. AT&T says it has taken additional security measures and has begun notifying affected customers. The Federal Communications Commission is investigating the breach, and AT&T has not disclosed the identity of the hackers or whether they paid any ransom.

Massive leak reveals extent of China’s foreign hacking activities

Techradar

Techradar · 1y ago

Massive leak reveals extent of China’s foreign hacking activities

Chinese police are investigating a major data leak from a private security contractor with suspected ties to Chinese state security. The leaked data, posted on GitHub, provides unprecedented insights into international cybersecurity operations. The documents reveal hacking activity, tools used, and targets such as government agencies and universities. The authenticity of the documents is yet to be confirmed. The leak also sheds light on the inner workings of the firm, including employee complaints and gambling habits. The data breach highlights the reality of global espionage, revealing more office politics than James Bond-style operations.

2FA security codes for some of the world’s biggest companies were left unprotected online

Techradar

Techradar · 1y ago

2FA security codes for some of the world’s biggest companies were left unprotected online

A company specializing in SMS text message routing, YX International, has secured its database after a security researcher discovered it was accessible with just an internet connection and public IP address. The vulnerable database handled time-sensitive messages used for two-factor authentication (2FA) services, such as one-time passcodes and reset links. The leak, which contained email addresses and passwords, was reported to YX International by TechCrunch and has since been fixed. The database handled access codes for social media and tech giants like Facebook, Google, and TikTok, but there is no evidence of data theft.

Facebook Marketplace accounts leaked online — thousands of users possible affected, so secure your account now

Techradar

Techradar · 1y ago

Facebook Marketplace accounts leaked online — thousands of users possible affected, so secure your account now

Personal information of hundreds of thousands of Facebook Marketplace users has been stolen and posted on a dark web forum. The data includes names, phone numbers, email addresses, Facebook IDs, and profile information. The hacker claims that this is a partial database stolen by another threat actor who breached a Meta contractor late last year. The leaked information poses a serious risk of phishing, identity theft, and other cybercrime. Meta is yet to provide an official statement on the incident.

Bank of America names Infosys US unit for over 57,000 users data leak

Economic Times

Economic Times · 1y ago

Bank of America names Infosys US unit for over 57,000 users data leak

Bank of America has identified Infosys McCamish Systems as the source of a data leak resulting from a ransomware attack that affected over 57,000 users in November. The breach compromised data such as names and social security numbers. While it is unclear if other banking customers of Infosys were affected, the incident led to a hit on Infosys' operating margins and the termination of a $1.5 billion deal. Bank of America will provide affected users with complimentary identity theft protection services.

Airtel India Rejects Report Of Data Breach

Inc42 · 1y ago

Airtel India Rejects Report Of Data Breach

Airtel India denies allegations of a data breach and states that the claims are an attempt to damage their reputation. The denial comes after a user named 'Dark Web Informer' alleged that Airtel India's customer data was breached and being sold on the dark web. The alleged breach reportedly occurred in June 2024 and involved the personal details of 37.5 crore Airtel India customers, including names, phone numbers, addresses, dates of birth, and email addresses. Airtel India asserts that the claims are baseless and unfounded.

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