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MUST READ

Microsoft uncovers macOS flaw allowing bypass TCC protections and exposing sensitive data

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 55

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Security Affairs newsletter Round 534 by Pierluigi Paganini – INTERNATIONAL EDITION

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T-Mobile

Pierluigi Paganini May 01, 2023
T-Mobile suffered the second data breach in 2023

T-Mobile disclosed the second data breach of 2023, threat actors had access to the personal information of hundreds of customers since February. T-Mobile suffered the second data breach of 2023, threat actors had access to the personal information of hundreds of customers starting in late February 2023. The security breach impacted a limited number of […]

Pierluigi Paganini January 20, 2023
T-Mobile suffered a new data breach, 37 million accounts have been compromised

Bad news for T-Mobile, the company disclosed a new data breach that resulted in the theft of data belonging to 37 customer accounts. T-Mobile suffered a new data breach, threat actor stole the personal information of 37 million current postpaid and prepaid customer accounts. The telecommunications company discovered the intrusion on January 5, 2023, the attackers obtained […]

Pierluigi Paganini April 23, 2022
T-Mobile confirms Lapsus$ had access its systems

Telecommunication giant T-Mobile confirmed the LAPSUS$ extortion group gained access to its networks in March. Telecom company T-Mobile on Friday revealed that LAPSUS$ extortion gang gained access to its networks. The popular investigator and journalist Brian Krebs first surmised that the LAPSUS$ gang has breached T-Mobile after he reviewed a copy of the private chat messages between members of […]

Pierluigi Paganini December 29, 2021
T-Mobile suffered a new data breach

T-Mobile discloses a new data breach that impacted a “very small number of customers” who were victim of SIM swap attacks. T-Mobile has suffered another security breach, threat actors gained access to the accounts of “a small number of” customers.’ According to The T-Mo Report, which viewed T-Mobile internal documents, there was “unauthorized activity” on […]

Pierluigi Paganini August 22, 2021
T-Mobile data breach could be worse than initially thought, 54 million customers impacted

T-Mobile data breach could be worse than initially thought, an update to the investigation reveals that over 54 million individuals were impacted. T-Mobile data breach could be worse than initially thought, according to an update to the investigation over 54 million customers had their data compromised. Recently T-Mobile has launched an investigation into a possible […]

Pierluigi Paganini August 18, 2021
T-Mobile data breach has impacted 48.6 million customers

T-Mobile has confirmed that hackers have stolen records belonging to 48.6 million of current and former customers. Recently T-Mobile has launched an investigation into a possible security breach after a threat actor started offering for sale 100 million T-Mobile customer records on the dark web. Bleeping Computer reported that the seller was asking for 6 […]

Pierluigi Paganini August 16, 2021
T-Mobile confirms data breach that exposed customer personal info

T-Mobile confirms a breach after threat actors claimed to have obtained records of 100 million of its customers and offered them for sale. T-Mobile has confirmed a data breach that exposed personal information from over 100 million of its US customers. Yesterday the company announced it launched an investigation into a possible data breach after […]

Pierluigi Paganini August 16, 2021
Threat actor claims to be selling data of more than 100 million T-Mobile customers

T-Mobile is investigating a possible data breach after a threat actor published a post on a forum claiming to be selling the personal data of its customers. New problems for T-Mobile, the company is investigating a possible data breach after that a threat actor has published a post on a hacking forum claiming to be […]

Pierluigi Paganini February 27, 2021
T-Mobile customers were hit with SIM swapping attacks

The telecommunications giant T-Mobile disclosed a data breach after some of its customers were apparently affected by SIM swap attacks. The telecommunications provider T-Mobile has disclosed a data breach after it became aware that some of its customers were allegedly victims of SIM swap attacks. Crooks conduct SIM swapping attacks to take control of victims’ […]

Pierluigi Paganini December 30, 2020
T-Mobile data breach: CPNI (Customer Proprietary Network Information) exposed

T-Mobile has disclosed a data breach that exposed customers’ network information (CPNI), including phone numbers and calls records. T-Mobile has disclosed a data breach exposing customers’ account’s information. The T-Mobile security staff discovered “malicious, unauthorized access” to their systems. “We are reaching out to let you know about a security incident we recently identified and […]

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    recent articles

    Microsoft uncovers macOS flaw allowing bypass TCC protections and exposing sensitive data

    Hacking / July 29, 2025

    U.S. CISA adds Cisco ISE and PaperCut NG/MF flaws to its Known Exploited Vulnerabilities catalog

    Security / July 28, 2025

    Critical WordPress Post SMTP plugin flaw exposes 200K+ sites to full takeover

    Security / July 28, 2025

    Scattered Spider targets VMware ESXi in using social engineering

    Cyber Crime / July 28, 2025

    China-linked group Fire Ant exploits VMware and F5 flaws since early 2025

    Hacking / July 28, 2025

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