Insights

SIM-Swapper, Scattered Spider Hacker Gets 10 Years

A 20-year-old Florida man at the center of a prolific cybercrime group known as “Scattered Spider” was sentenced to 10 years in federal prison today, and ordered to pay roughly $13 million in restitution to victims. Noah Michael Urban of Palm Coast, Fla. pleaded guilty in April 2025 to charges of wire fraud and conspiracy. Florida prosecutors alleged Urban conspired with others to steal at least $800,000 from five victims via SIM-swapping attacks that diverted…

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Oregon Man Charged in ‘Rapper Bot’ DDoS Service

A 22-year-old Oregon man has been arrested on suspicion of operating “Rapper Bot,” a massive botnet used to power a service for launching distributed denial-of-service (DDoS) attacks against targets — including a March 2025 DDoS that knocked Twitter/X offline. The Justice Department asserts the suspect and an unidentified co-conspirator rented out the botnet to online extortionists, and tried to stay off the radar of law enforcement by ensuring that their botnet was never pointed at…

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Mobile Phishers Target Brokerage Accounts in ‘Ramp and Dump’ Cashout Scheme

Cybercriminal groups peddling sophisticated phishing kits that convert stolen card data into mobile wallets have recently shifted their focus to targeting customers of brokerage services, new research shows. Undeterred by security controls at these trading platforms that block users from wiring funds directly out of accounts, the phishers have pivoted to using multiple compromised brokerage accounts in unison to manipulate the prices of foreign stocks. Image: Shutterstock, WhataWin. This so-called ‘ramp and dump‘ scheme borrows…

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CISA Releases Thirty-Two Industrial Control Systems Advisories

CISA released thirty-two Industrial Control Systems (ICS) advisories on August 14, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-226-01 Siemens SIMATIC RTLS Locating Manager ICSA-25-226-02 Siemens COMOS ICSA-25-226-03 Siemens Engineering Platforms ICSA-25-226-04 Siemens Simcenter Femap ICSA-25-226-05 Siemens Wibu CodeMeter Runtime ICSA-25-226-06 Siemens Opcenter Quality ICSA-25-226-07 Siemens Third-Party Components in SINEC OS ICSA-25-226-08 Siemens RUGGEDCOM CROSSBOW Station Access Controller ICSA-25-226-09 Siemens RUGGEDCOM APE1808 ICSA-25-226-10 Siemens SIPROTEC 5 ICSA-25-226-11 Siemens SIMATIC S7-PLCSIM ICSA-25-226-12 Siemens SIPROTEC 4 and SIPROTEC 4 Compact ICSA-25-226-13 Siemens…

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CISA and Partners Release Asset Inventory Guidance for Operational Technology Owners and Operators

CISA, along with the National Security Agency, the Federal Bureau of Investigation, Environmental Protection Agency, and several international partners, released comprehensive guidance to help operational technology (OT) owners and operators across all critical infrastructure sectors create and maintain OT asset inventories and supplemental taxonomies.  An asset inventory is a regularly updated, structured list of an organization’s systems, hardware, and software. It includes a categorization system—a taxonomy—that classifies assets based on their importance and function. This…

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Microsoft Patch Tuesday, August 2025 Edition

Microsoft today released updates to fix more than 100 security flaws in its Windows operating systems and other software. At least 13 of the bugs received Microsoft’s most-dire “critical” rating, meaning they could be abused by malware or malcontents to gain remote access to a Windows system with little or no help from users. August’s patch batch from Redmond includes an update for CVE-2025-53786, a vulnerability that allows an attacker to pivot from a compromised…

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KrebsOnSecurity in New ‘Most Wanted’ HBO Max Series

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…

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CISA Issues ED 25-02: Mitigate Microsoft Exchange Vulnerability

Today, CISA issued Emergency Directive (ED) 25-02: Mitigate Microsoft Exchange Vulnerability in response to CVE-2025-53786, a vulnerability in Microsoft Exchange server hybrid deployments.   ED 25-02 directs all Federal Civilian Executive Branch (FCEB) agencies with Microsoft Exchange hybrid environments to implement required mitigations by 9:00 AM EDT on Monday, August 11, 2025.  This vulnerability presents significant risk to all organizations operating Microsoft Exchange hybrid-joined configurations that have not yet implemented the April 2025 patch guidance.…

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Who Got Arrested in the Raid on the XSS Crime Forum?

On July 22, 2025, the European police agency Europol said a long-running investigation led by the French Police resulted in the arrest of a 38-year-old administrator of XSS, a Russian-language cybercrime forum with more than 50,000 members. The action has triggered an ongoing frenzy of speculation and panic among XSS denizens about the identity of the unnamed suspect, but the consensus is that he is a pivotal figure in the crime forum scene who goes by…

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Microsoft Releases Guidance on High-Severity Vulnerability (CVE-2025-53786) in Hybrid Exchange Deployments

Note: This Alert may be updated to reflect new guidance issued by CISA or other parties.  CISA is aware of the newly disclosed high-severity vulnerability, CVE-2025-53786, that allows a cyber threat actor with administrative access to an on-premise Microsoft Exchange server to escalate privileges by exploiting vulnerable hybrid-joined configurations. This vulnerability, if not addressed, could impact the identity integrity of an organization’s Exchange Online service.  While Microsoft has stated there is no observed exploitation as of…

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