- T-Mobile says hackers accessed user data but won’t confirm SSN breach of 100 million customers
August 16, 2021
T-Mobile is looking into allegations that a hacker stole 106GB of data containing the social security numbers, names, addresses and driver’s license information for more than 100 million people. In a statement to ZDNet, T-Mobile said it is “aware of claims made in an underground forum and have been actively investigating their validity.” Teams at T-Mobile ...
- Exchange Servers Under Active Attack via ProxyShell Bugs
August 15, 2021
Researchers’ Microsoft Exchange server honeypots are being actively exploited via ProxyShell: The name of an attack disclosed at Black Hat last week that chains three vulnerabilities to enable unauthenticated attackers to perform remote code execution (RCE) and snag plaintext passwords. In his Black Hat presentation last week, Devcore principal security researcher Orange Tsai said that a ...
- Cyberattackers Embrace CAPTCHAs to Hide Phishing, Malware
August 13, 2021
Cyberattackers are using Google’s reCAPTCHA (aka the “I am not a robot” function) and fake CAPTCHA-like services to obscure various phishing and other campaigns, according to researchers. There are signs however that those evasion efforts may be losing their efficacy. CAPTCHAs are familiar to most internet users as the challenges that are used to confirm that ...
- SynAck ransomware group releases decryption keys as they rebrand to El_Cometa
August 13, 2021
The SynAck ransomware gang has released decryption keys for victims that were infected between July 2017 and 2021, according to data obtained by The Record. SynAck is in the process of rebranding itself as the El_Cometa ransomware gang, and a member of the old group gave the keys to The Record. Emsisoft’s Michael Gillespie confirmed the veracity ...
- IT threat evolution Q2 2021
August 12, 2021
It is quite common for Chinese-speaking threat actors to share tools and methodologies: one such example is the infamous “DLL side-loading triad”: a legitimate executable, a malicious DLL to be side-loaded by it and an encoded payload, generally dropped from a self-extracting archive. This was first thought to be a signature of LuckyMouse, but we ...
- Notorious AlphaBay darknet market comes back to life
August 12, 2021
The AlphaBay darkweb market has come back to life after an administrator of the original project relaunched it over the weekend. At the same time, the admin announced plans for setting up a platform for darknet markets to set up shop with a strong focus on anonymity. Read more… Source: Bleeping Computer
- Cryptocurrency heist hacker returns $260m in funds
August 12, 2021
The hacker behind one of the largest cryptocurrency heists to date has returned almost half of the $600m (£433m) stolen assets. On Tuesday, the firm affected, Poly Network wrote a letter on Twitter, asking the individual to get in touch “to work out a solution”. The hacker then posted messages pledging to return funds, claiming to be ...
- How Pipeline Owners and Operators Can Fulfill the TSA’s Second Security Directive
August 12, 2021
Senior officials at the Department of Homeland Security (DHS), of which the TSA is a part, announced at the time of their security directive that they would soon require pipeline organizations to implement a new set of mandatory security controls or face financial penalties. In mid-July, CISA announced the rollout of at least some of those ...
- Accenture Confirms LockBit Ransomware Attack
August 11, 2021
08/13/21 08:42 UPDATE: Accenture reportedly acknowledged in an internal memo that attackers stole client information and work materials in a July 30 “security incident.” CyberScoop reports that the memo downplays the impact of the ransomware attack. The outlet quoted Accenture’s internal memo: “While the perpetrators were able to acquire certain documents that reference a small number ...
- Kaseya’s universal REvil decryption key leaked on a hacking forum
August 11, 2021
The universal decryption key for REvil’s attack on Kaseya’s customers has been leaked on hacking forums allowing researchers their first glimpse of the mysterious key. On July 2nd, the REvil ransomware gang launched a massive attack on managed service providers worldwide by exploiting a zero-day vulnerability in the Kaseya VSA remote management application. This attack encrypted approximately ...