Cybersecurity

The chairman of the Federal Trade Commission (FTC) last week sent a letter to Google’s CEO demanding to know why Gmail was blocking messages from Republican senders while allegedly failing to block similar missives supporting Democrats. The letter followed media reports accusing Gmail of disproportionately flagging messages from the GOP fundraising platform WinRed and sending them to the spam folder. But according to experts who track daily spam volumes worldwide, WinRed’s messages are getting blocked more because its methods of blasting email are increasingly way more spammy than that of ActBlue, the fundraising platform for Democrats.

Federal Civilian Executive Branch (FCEB) agencies are being advised to update their Sitecore instances by September 25, 2025, following the discovery of a security flaw that has come under active exploitation in the wild.
The vulnerability, tracked as CVE-2025-53690, carries a CVSS score of 9.0 out of a maximum of 10.0, indicating critical severity.
“Sitecore Experience Manager (XM), Experience

A 30‑year‑old man has been charged with launching a cyberattack on the German subsidiary of Russia’s state-owned oil giant Rosneft. The cyberattack, which happened in March 2022 in the aftermath of Russia’s invasion of Ukraine, crippled the company’s operations and cost millions of euros in damages.

Read more in my article on the Exponential-e blog.

The threat actor behind the malware-as-a-service (MaaS) framework and loader called CastleLoader has also developed a remote access trojan known as CastleRAT.
“Available in both Python and C variants, CastleRAT’s core functionality consists of collecting system information, downloading and executing additional payloads, and executing commands via CMD and PowerShell,” Recorded Future Insikt Group

Parents are being reminded to exercise caution about the toys that they purchase their children, after the United States Federal Trade Commission (FTC) announced it had taken action against a robot toy maker.

Read more in my article on the Hot for Security blog.

A critical security vulnerability impacting SAP S/4HANA, an Enterprise Resource Planning (ERP) software, has come under active exploitation in the wild.
The command injection vulnerability, tracked as CVE-2025-42957 (CVSS score: 9.9), was fixed by SAP as part of its monthly updates last month.
“SAP S/4HANA allows an attacker with user privileges to exploit a vulnerability in the function module

Pentesting remains one of the most effective ways to identify real-world security weaknesses before adversaries do. But as the threat landscape has evolved, the way we deliver pentest results hasn’t kept pace.
Most organizations still rely on traditional reporting methods—static PDFs, emailed documents, and spreadsheet-based tracking. The problem? These outdated workflows introduce delays,

Cybersecurity researchers have flagged a new malware campaign that has leveraged Scalable Vector Graphics (SVG) files as part of phishing attacks impersonating the Colombian judicial system.
The SVG files, according to VirusTotal, are distributed via email and designed to execute an embedded JavaScript payload, which then decodes and injects a Base64-encoded HTML phishing page masquerading as a

The Russian state-sponsored hacking group tracked as APT28 has been attributed to a new Microsoft Outlook backdoor called NotDoor in attacks targeting multiple companies from different sectors in NATO member countries.
NotDoor “is a VBA macro for Outlook designed to monitor incoming emails for a specific trigger word,” S2 Grupo’s LAB52 threat intelligence team said. “When such an email is

Cybersecurity researchers have lifted the lid on a previously undocumented threat cluster dubbed GhostRedirector that has managed to compromise at least 65 Windows servers primarily located in Brazil, Thailand, and Vietnam.
The attacks, per Slovak cybersecurity company ESET, led to the deployment of a passive C++ backdoor called Rungan and a native Internet Information Services (IIS) module