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6 Lessons Learned: Focusing Security Where Business Value Lives

Actualités
The Evolution of Exposure Management Most security teams have a good sense of what’s critical in their environment. What’s harder to pin down is what’s business-critical. These are the assets that support the processes the business can’t function without. They’re not always the loudest or most exposed. They’re the ones tied to revenue, operations, and delivery. If one goes down, it’s more than a
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WinRAR Zero-Day Under Active Exploitation – Update to Latest Version Immediately

Actualités
The maintainers of the WinRAR file archiving utility have released an update to address an actively exploited zero-day vulnerability. Tracked as CVE-2025-8088 (CVSS score: 8.8), the issue has been described as a case of path traversal affecting the Windows version of the tool that could be exploited to obtain arbitrary code execution by crafting malicious archive files. "When extracting a file,
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KrebsOnSecurity in New ‘Most Wanted’ HBO Max Series (Krebs on Security)

Actualités
A new documentary series about cybercrime airing next month on HBO Max features interviews with Yours Truly. The four-part series follows the exploits of Julius Kivimäki, a prolific Finnish hacker recently convicted of leaking tens of thousands of patient records from an online psychotherapy practice while attempting to extort the clinic and its patients. The documentary, “Most Wanted: Teen Hacker,” explores the 27-year-old Kivimäki’s lengthy and increasingly destructive career, one that was marked by cyber attacks designed to result in real-world physical impacts on their targets. By the age of 14, Kivimäki had fallen in with a group of criminal hackers who were mass-compromising websites and milking them for customer payment card data. Kivimäki and his friends enjoyed harassing and terrorizing others by “swatting” their homes — calling in fake…
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KrebsOnSecurity in New ‘Most Wanted’ HBO Max Series (Krebs on Security)

Sécurité
A new documentary series about cybercrime airing next month on HBO Max features interviews with Yours Truly. The four-part series follows the exploits of Julius Kivimäki, a prolific Finnish hacker recently convicted of leaking tens of thousands of patient records from an online psychotherapy practice while attempting to extort the clinic and its patients. The documentary, “Most Wanted: Teen Hacker,” explores the 27-year-old Kivimäki’s lengthy and increasingly destructive career, one that was marked by cyber attacks designed to result in real-world physical impacts on their targets. By the age of 14, Kivimäki had fallen in with a group of criminal hackers who were mass-compromising websites and milking them for customer payment card data. Kivimäki and his friends enjoyed harassing and terrorizing others by “swatting” their homes — calling in fake…
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KrebsOnSecurity in New ‘Most Wanted’ HBO Max Series (Krebs on Security)

Sécurité
A new documentary series about cybercrime airing next month on HBO Max features interviews with Yours Truly. The four-part series follows the exploits of Julius Kivimäki, a prolific Finnish hacker recently convicted of leaking tens of thousands of patient records from an online psychotherapy practice while attempting to extort the clinic and its patients. The documentary, “Most Wanted: Teen Hacker,” explores the 27-year-old Kivimäki’s lengthy and increasingly destructive career, one that was marked by cyber attacks designed to result in real-world physical impacts on their targets. By the age of 14, Kivimäki had fallen in with a group of criminal hackers who were mass-compromising websites and milking them for customer payment card data. Kivimäki and his friends enjoyed harassing and terrorizing others by “swatting” their homes — calling in fake…
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KrebsOnSecurity in New ‘Most Wanted’ HBO Max Series

Actualités
A new documentary series about cybercrime airing next month on HBO Max features interviews with Yours Truly. The four-part series follows the exploits of Julius Kivimäki, a prolific Finnish hacker recently convicted of leaking tens of thousands of patient records from an online psychotherapy practice while attempting to extort the clinic and its patients. The documentary, “Most Wanted: Teen Hacker,” explores the 27-year-old Kivimäki’s lengthy and increasingly destructive career, one that was marked by cyber attacks designed to result in real-world physical impacts on their targets. By the age of 14, Kivimäki had fallen in with a group of criminal hackers who were mass-compromising websites and milking them for customer payment card data. Kivimäki and his friends enjoyed harassing and terrorizing others by “swatting” their homes — calling in fake…
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New Win-DDoS Flaws Let Attackers Turn Public Domain Controllers into DDoS Botnet via RPC, LDAP

Actualités
A novel attack technique could be weaponized to rope thousands of public domain controllers (DCs) around the world to create a malicious botnet and use it to conduct power distributed denial-of-service (DDoS) attacks. The approach has been codenamed Win-DDoS by SafeBreach researchers Or Yair and Shahak Morag, who presented their findings at the DEF CON 33 security conference today. "As we
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Researchers Detail Windows EPM Poisoning Exploit Chain Leading to Domain Privilege Escalation

Actualités
Cybersecurity researchers have presented new findings related to a now-patched security issue in Microsoft's Windows Remote Procedure Call (RPC) communication protocol that could be abused by an attacker to conduct spoofing attacks and impersonate a known server. The vulnerability, tracked as CVE-2025-49760 (CVSS score: 3.5), has been described by the tech giant as a Windows Storage spoofing bug
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