Remove Data breaches Remove Ransomware Remove Telecommunications
article thumbnail

Black Basta ransomware gang hit BT Group

Security Affairs

BT Group (formerly British Telecom)’s Conferencing division shut down some of its servers following a Black Basta ransomware attack. British multinational telecommunications holding company BT Group (formerly British Telecom) announced it has shut down some of its servers following a Black Basta ransomware attack.

article thumbnail

African multinational telco giant MTN Group disclosed a data breach

Security Affairs

African multinational telecommunications company MTN Group disclosed a data breach that exposed subscribers’ personal information. MTN Group Limited is a South African multinational telecommunications company headquartered in Johannesburg. At this time, no ransomware groups have claimed responsibility for an attack.

Insiders

Sign Up for our Newsletter

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

article thumbnail

Security Affairs newsletter Round 498 by Pierluigi Paganini – INTERNATIONAL EDITION

Security Affairs

that reboots locked devices Ymir ransomware, a new stealthy ransomware grow in the wild Amazon discloses employee data breach after May 2023 MOVEit attacks A new fileless variant of Remcos RAT observed in the wild A surge in Pro-Russia cyberattacks after decision to monitor North Korean Troops in Ukraine U.S.

article thumbnail

A cyber attack briefly disrupted South African Airways operations

Security Affairs

.” In April 2025, the South African multinational telecommunications company MTN Group Limited disclosed a data breach that exposed subscribers personal information, it added that the incident did not impact the core network, billing systems and financial services infrastructure. The gang claimed the theft of 2 TB of data.

article thumbnail

Arkana Security group claims the hack of US telco provider WideOpenWest (WOW!)

Security Affairs

Arkana Security, a new ransomware group, claims to have breached the telecommunications provider WideOpenWest (WOW!). The new ransomware group Arkana Security claims to have hacked US telecom provider WOW!, stealing customer data. has not yet confirmed the alleged data breach. WideOpenWest (WOW!)

Hacking 83
article thumbnail

Security Affairs newsletter Round 530 by Pierluigi Paganini – INTERNATIONAL EDITION

Security Affairs

House banned WhatsApp on government devices due to security concerns Russia-linked APT28 use Signal chats to target Ukraine official with malware China-linked APT Salt Typhoon targets Canadian Telecom companies U.S.

article thumbnail

Security Affairs newsletter Round 511 by Pierluigi Paganini – INTERNATIONAL EDITION

Security Affairs

custody in exchange for Marc Fogel North Korea-linked APT Emerald Sleet is using a new tactic U.S.

Spyware 75