Marriott International Discloses Major Data Breach Affecting 500 Million Guests Marriott International, the largest hotel chain globally, has reported a significant cybersecurity breach involving its subsidiary, Starwood Hotels. Unknown hackers accessed a guest reservation database, compromising the personal information of approximately 500 million guests. This incident underscores the increasing sophistication…
Data Breach Notification, Data Security, Healthcare Inotiv Updates SEC on Ongoing Evaluation of Cyberattack Impact Marianne Kolbasuk McGee (HealthInfoSec) • December 10, 2025 Inotiv Inc. recently informed federal regulators and investors of its ongoing assessment of the financial and operational ramifications following an August cyberattack. (Image: Inotiv) Inotiv, a contract…
Coupang’s CEO Resigns Following Massive Data Breach Affecting Millions Coupang, a leading e-commerce platform in South Korea, announced the resignation of its CEO, Park Dae-jun, after the company disclosed a significant data breach. This incident has reportedly impacted approximately 34 million individuals—around 66 percent of South Korea’s populace. In a…
Cybersecurity researchers have discovered a new variant of the Phobos ransomware family named Faust. This iteration was documented by Fortinet FortiGuard Labs, which detailed its dissemination method involving a Microsoft Excel document (.XLAM) that contains a VBA script capable of executing malicious actions. The attack initiates when the victim opens…
Recent research indicates that a nation-state actor known for prolonged cyber espionage activities has transitioned to using coin mining techniques. This strategic shift, attributed to the hacking group Bismuth, is aimed at evading detection while ensuring persistence within the systems of their targets. The Microsoft 365 Defender Threat Intelligence Team…
Recent investigations into the possible links between two individuals associated with recent cyber incidents have revealed noteworthy findings. Cary, a researcher, examined two databases of Chinese names and collaborated with Yi Fuxian, a professor of Chinese demography at the University of Wisconsin–Madison. He found that the name Qiu Daibing (邱代兵)…
Quora, the widely used question-and-answer platform, has reported a significant data breach that may have compromised the personal information of approximately 100 million users. The breach, disclosed by the company on Monday, was discovered by their security team last Friday, who uncovered unauthorized access by a malicious actor to one…
Application Security, Artificial Intelligence & Machine Learning, Next-Generation Technologies & Secure Development Startup Leverages AI Agents for Enhanced Security and Development Efficiency Michael Novinson (@MichaelNovinson) • December 9, 2025 Alon Kollmann, Co-Founder and CEO of Clover Security (Image: Clover Security) A startup founded by a former product leader from Dazz…
Coupang Faces Major Data Breach: Implications for Businesses and Cybersecurity Attacks Coupang, Inc. (NYSE: CPNG), widely recognized as the “Amazon of South Korea,” has become embroiled in a significant cybersecurity incident that marks one of the largest data breaches in South Korea’s history. On December 10, 2025, the company disclosed…
