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Cybersecurity leaders aren't just dealing with attacks—they're also protecting trust, keeping systems running, and maintaining their organization's reputation. This week's developments highlight a bigger issue: as we rely more on digital tools, hidden weaknesses can quietly grow.  Just fixing problems isn't enough anymore—resilience needs to be built into everything from the ground up. That means better systems, stronger teams, and clearer visibility across the entire organization. What's showing up now isn't just risk—it's a clear signal that acting fast and making smart decisions matters more than being perfect. Here's what surfaced—and what security teams can't afford to overlook. ⚡ Threat of the Week Microsoft Fixes 5 Actively Exploited 0-Days — Microsoft addressed a total of 78 security flaws in its Patch Tuesday update for May 2025 last week, out of which five of them have come under active exploitation in the wild. The vulnerabilities include CVE-2025-30397, CVE-2025-...

In late 2013, Security Researchers identified thousands of Linux systems around the world infected with the OpenSSH b ackdoor trojan and  credential stealer  named Linux/Ebury ,  that allows  unauthorized access of an affected computer to the remote attackers. Antivirus Firm ESET's Reseacher team has been tracking and  investigating the operation behind Linux/Ebury and today team  uncovers the details [ Report PDF ] of a massive,  sophisticated and organized  malware campaign called ' Operation Windigo ', infected more than 500,000 computers and 25,000 dedicated servers. ' We discovered an infrastructure used for malicious activities that is all hosted on compromised servers. We were also able to find a link between different malware components such as Linux/Cdorked, Perl/Calfbot and Win32/Glupteba.M and realized they are all operated by the same group. '  ESET reported. Malware used in Operation Windigo: Linu...