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LeakWatch 2026: Weekly Overview of Security Incidents, Data Breaches, and IT Events for Calendar Week 8

In calendar week 08 of 2026, the cybersecurity landscape in Germany faced significant challenges, marked by a convergence of critical data breaches and disruptions primarily affecting healthcare and telecommunications. This week, spanning from February 16 to February 22, highlighted a range of vulnerabilities and incidents that underscore ongoing risks related…

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Experts Uncover Security Flaw in Chromium Browser Endangering Confidential Data

A recently identified and now-resolved vulnerability in Google Chrome and Chromium-based browsers has emerged, posing a significant risk. If exploited, this vulnerability could allow attackers to gain unauthorized access to sensitive files containing confidential information. According to Ron Masas, a researcher at Imperva, the vulnerability stems from the improper handling…

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8 Additional Chrome Extensions Compromised, Affecting 4.8 Million Users

Recent Breach Exposes Vulnerabilities in Chrome Extensions In a troubling series of incidents over the past month, Google’s Chrome web browser extensions have come under siege, with several developers falling victim to hacking attempts. Reports indicate that unknown attackers have successfully compromised developer accounts, hijacking popular extensions and leveraging them…

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Caution: Virus Alert on Windows, MacOS, and Linux Spreading via Facebook Messenger

### Recent Facebook Messenger Malware Campaign A concerning cybersecurity threat has emerged within Facebook Messenger, where users are encountering deceptive video links purportedly sent by friends, which can lead to malicious software installations. Researchers at Kaspersky Lab have uncovered a cross-platform malware campaign targeting users through these seemingly innocuous links.…

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CCleaner Malware Compromises Major Tech Firms with Additional Backdoor Threat

Cybersecurity Alert: CCleaner Hack Targets Major Tech Firms A group of unidentified hackers recently compromised the download server of CCleaner, a widely used system optimization application, to distribute a harmful version of the software. This malicious version affected at least 20 significant technology companies, functioning as a conduit for a…

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CISA Warns of OT Vulnerabilities Following Polish Power Grid Cyberattack

Cybersecurity Incident Roundup: Key Developments in Data Breaches and Cyber-attacks Recent weeks have seen significant cybersecurity incidents impacting various sectors, with agencies and organizations navigating the evolving landscape of cyber threats. Among the most pressing events, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued warnings following a cyberattack…

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From Ransomware to Cyber Espionage: 55 Weaponized Zero-Day Vulnerabilities Discovered in 2022

In 2022, a total of 55 zero-day vulnerabilities were actively exploited in the wild, primarily affecting software developed by major tech companies including Microsoft, Google, and Apple. This figure shows a decrease from the previous year’s alarming count of 81 zero-day exploits, yet it highlights an ongoing trend where threat…

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Spyware Vendors Exposed for Exploiting Zero-Day Vulnerabilities in Android and iOS Devices

Recent investigations by Google’s Threat Analysis Group (TAG) have uncovered the exploitation of several zero-day vulnerabilities last year, employed by commercial spyware vendors to target mobile devices on both Android and iOS platforms. These two separate yet focused campaigns exploited the vulnerability gap that occurs between the announcement of fixes…

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