ISC Stormcast For Monday, October 5th, 2026 https://isc.sans.edu/podcastdetail/10122, (Mon, Oct 5th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
// GLOBAL CYBER DEFENSE FEED
Auto-refreshes from official public security feeds and falls back safely if the remote feed is unavailable.
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(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
For an experiment, I created a script [1] that parses and send the TTY logs collected from actors or bots activity that run various commands after they successfully login the DShield sensor. Those TTY logs are sent daily at the end of each day to the DShield SIEM [2] to be correlated with all the data. 
Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether it can also be exploited for remote code execution. [...]
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-88779 Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directi
Anthropic has started asking Claude users to voluntarily share their voice conversations to help train and improve its AI models. [...]
Sometimes I have to smile, or my interest is triggered, when I review new User Agent Strings in the honeypot logs.
A suspected member of the ShinyHunters digital extortion group, who goes by the online alias "Rey," has been allegedly detained by authorities in Jordan, Reuters reported, citing three people familiar with the matter. Rey, whose real name is Saif al-Din Khader, is said to have been brought into custody on September 29, 2026, cooperating with the U.S. Federal Bureau of Investigation (FBI) and
A new China-nexus cyber espionage group known as TA419 has been attributed to multiple credential phishing campaigns targeting artificial intelligence (AI) experts working for U.S. think tanks, universities, and legal sector organizations. The campaigns have impersonated prominent economists and AI policymakers, as well as a prominent Anthropic employee, to single out an AI policy expert at a
Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
Google's Gemini could soon access any file on your macOS device, open apps, browse the web, and perform actions without asking for permission every time. [...]
A suspected ShinyHunters hacking group member known online as "Rey" has reportedly been detained in Jordan and is cooperating with the FBI to help locate other members of the extortion group. [...]
YARA-X&#;x26;#;39;s 1.21.0 release brings 5 improvements and 4 bugfixes.
The U.K.'s domestic intelligence and security agency has warned that more than 100 academics have helped China boost its intelligence gathering efforts on behalf of Beijing's state security service. In a "Security Service Espionage Alert" issued on September 30, 2026, MI5 said the "primary purpose of the China General Technology Research Institute (CGTRI) 中国通用技术研究院 is to fund research that
The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in attacks targeting organizations in Portuguese- and Spanish-speaking countries. The activity, observed by the Symantec and Carbon Black Threat Hunter Team, has hit critical infrastructure, government, and education organizations. "In the
The Technical University of Denmark (DTU) says information belonging to up to 200,000 users may have been exposed after hackers accessed its identity and access management system and downloaded a large amount of data. [...]
Featuring: Cybersecurity is being reshaped by the expansion of cloud infrastructure, AI, distributed systems, and increasingly complex digital environments. As organizations manage more identities, devices, data, and internet-facing infrastructure, security is shifting toward continuous visibility, control, and the ability to respond to risk at scale. This report examines how core areas of
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-102489 Zammad GmbH Zammad Session Fixation Vulnerability CVE-2026-102490 Zammad GmbH Zammad Improper Privilege Management Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.&
Zammad GmbH Zammad Improper Privilege Management Vulnerability