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Cybersecurity Brief – 2025-11-22

Sat, 22 Nov 2025 00:00:00 +0000

Major Incidents or Breaches

Salesforce Customers Breached via Gainsight Integrations: Threat actors affiliated with the ShinyHunters extortion group used third-party Gainsight applications to steal data from Salesforce instances, repeating tactics seen in previous attacks earlier in the year.
CrowdStrike Insider Incident: An insider at CrowdStrike leaked internal system screenshots to hackers, with the material subsequently appearing on Telegram via the Scattered Lapsus$ Hunters threat group.
Transport for London Breach: Two British teenagers, allegedly linked to the Scattered Spider group, pleaded not guilty to charges related to the August 2024 breach of Transport for London, which caused significant financial and data exposure impacts.
WEL Companies Data Breach: A data breach at WEL Companies affected 120,000 individuals.
Cloudflare Outage: A recent Cloudflare outage highlighted the widespread impact a failure at a major provider can have on the global digital economy.

Newly Discovered Vulnerabilities

Grafana SCIM Flaw (CVE-2025-41115): Grafana has patched a critical vulnerability in its Enterprise product that could allow privilege escalation or user impersonation under certain configurations. The flaw has a CVSS score of 10.0.
Oracle Identity Manager RCE (CVE-2025-61757): An unauthenticated remote code execution vulnerability in Oracle Identity Manager is being actively exploited in the wild. CISA has issued a warning to patch immediately.
SonicWall Firewall and Email Security Appliance: SonicWall released patches for high-severity vulnerabilities that could lead to denial-of-service, arbitrary code execution, or unauthorized file access.
LINE Messaging App Protocol Bugs: Vulnerabilities in the custom protocol used by the LINE messaging app allow for message replay, impersonation attacks, and exposure of sensitive information, potentially facilitating cyber espionage.

Notable Threat Actor Activity

APT24 (China Nexus): APT24 has been observed deploying a new malware family, BADAUDIO, as part of a multi-year espionage campaign targeting over 1,000 domains, including Taiwanese entities. The group used supply chain attacks to deliver the BadAudio downloader and subsequent payloads.
ToddyCat APT: Kaspersky identified new versions of ToddyCat APT tools (TomBerBil, TCSectorCopy, XstReader) being used to steal email data and access tokens from Microsoft Outlook in targeted corporate environments.
ShinyHunters: Continued targeting of Salesforce customers through exploitation of Gainsight integrations.
Scattered Spider/Lapsus$: Ongoing legal developments involving alleged members in the UK; continued insider threat activity linked to Lapsus$-affiliated groups.

Trends, Tools, or Tactics of Interest

Deepfake Attacks: Entrust reports deepfake attacks now comprise 20% of biometric fraud attempts, with a 58% increase in deepfaked selfies, indicating rapid growth in synthetic identity threats.
CSS Stuffing in Phishing: Observations of CSS stuffing being used as an obfuscation technique in phishing emails to bypass security filters.
AI-Driven Scam Detection: Avast has launched Scam Guardian, a free AI-powered tool for detecting scams in websites, messages, and links, reflecting the increasing adoption of AI for consumer security.
Calendar Invite Spam: There is a growing trend of fake calendar invites being used to deliver spam and potentially malicious content via email and messaging apps.
Supply Chain Attacks: APT24’s use of supply chain vectors to deliver BadAudio malware highlights continued adversary focus on third-party compromise.
Insider Threats: The CrowdStrike incident underscores the persistent risk of insiders leaking sensitive information to external threat actors.
Automation and Entry-Level Cybersecurity: Increased automation and AI adoption are impacting entry-level cybersecurity roles, potentially affecting the security talent pipeline.
AI Content Risks: AI-powered toys, such as FoloToy’s Kumma teddy bear, have been found to provide inappropriate responses, raising concerns about content moderation and safety in AI-driven products for children.

Regulatory or Policy Developments Affecting the Security Industry

SEC Drops SolarWinds Lawsuit: The U.S. Securities and Exchange Commission has dropped its case against SolarWinds and its CISO regarding alleged investor misrepresentation related to the 2020 breach.
FCC Cybersecurity Rollback: The U.S. Federal Communications Commission has rescinded a rule requiring telecom carriers to implement stricter cybersecurity measures, despite ongoing state-sponsored hacking concerns.
US Cyber Strategy Shift: The US national cyber director announced a strategic shift toward more aggressive, offensive actions aimed at shaping adversary behaviour and imposing consequences for cyber operations.
CISA Directive: CISA has issued a directive for immediate patching of the actively exploited Oracle Identity Manager vulnerability (CVE-2025-61757).

Cybersecurity Brief – 2025-11-21

Fri, 21 Nov 2025 00:00:00 +0000

Major Incidents or Breaches

Salesforce reported unauthorized data access via Gainsight-linked OAuth activity, resulting in revoked refresh tokens and an ongoing investigation into possible customer data theft.
Italy’s national railway operator, FS Italiane Group, suffered a data breach after its IT services provider, Almaviva, was compromised. A threat actor claims to have stolen 2.3TB of data.
CTM360 exposed a global WhatsApp hijacking campaign (“HackOnChat”) leveraging deceptive authentication portals and impersonation pages to compromise accounts.
Over 50,000 Asus routers were compromised in “Operation WrtHug,” attributed to a Chinese threat actor exploiting known vulnerabilities in discontinued devices.
A vulnerability, now patched, previously allowed scraping of up to 3.5 billion WhatsApp accounts.
Researchers reported that some budget Samsung phones were shipped with unremovable spyware (“AppCloud”) in certain regions.
A TV streaming piracy platform, Photocall, with 26 million annual users, was shut down following an investigation by ACE and DAZN.

Newly Discovered Vulnerabilities

A high-severity SonicOS SSLVPN vulnerability in SonicWall firewalls can allow attackers to crash devices. SonicWall has urged immediate patching.
D-Link disclosed three remote command execution vulnerabilities affecting all models and hardware revisions of the now end-of-life DIR-878 router.
A two-year-old, unpatched security flaw in the Ray open-source AI framework is being actively exploited by the ShadowRay 2.0 botnet to compromise clusters with NVIDIA GPUs.
A recent 7-Zip vulnerability is being exploited in the wild, with proof-of-concept code available for remote code execution.
Oracle patched CVE-2025-61757 in Oracle Identity Manager, a vulnerability allowing attackers to escalate privileges.
Researchers highlighted ongoing malicious scanning against Palo Alto Networks GlobalProtect VPN portals, with 2.3 million scan sessions detected since 14 November 2025.

Notable Threat Actor Activity

The Tsundere botnet, active since mid-2025, is expanding and targeting Windows users. It abuses Node.js and Ethereum blockchain for command and control, spreading via MSI installers, PowerShell scripts, and game-related lures.
A Chinese APT group (“PlushDaemon”) is infecting routers to hijack software updates, primarily targeting Chinese organizations.
China-linked APT24 has been using the previously undocumented “BadAudio” malware in a three-year espionage campaign, recently adopting more sophisticated attack methods.
Russian bulletproof hosting providers Media Land and Hypercore, along with their leadership, were sanctioned by the US and allies for facilitating cybercriminal activities.
A Russian hacking suspect wanted by the FBI was arrested in Thailand following an FBI tip-off.
The “Eternidade” WhatsApp Trojan is self-propagating in Brazil, combining infostealer, banking malware, and worm capabilities, specifically targeting Brazilian Portuguese speakers.

Trends, Tools, or Tactics of Interest

Ransomware attacks surged globally in October 2025, with over 700 organizations affected, according to Cyfirma.
Mobile phishing attacks are projected to increase fourfold during the holiday season as attackers exploit seasonal shopping behaviors.
The Sturnus Android banking trojan, currently in development, targets users in Europe and is capable of capturing messages from encrypted apps (Signal, WhatsApp, Telegram) and hijacking devices for financial fraud.
The dark web job market remains active, with over 2,000 job-related posts observed between January 2023 and June 2025, indicating ongoing professionalization among cybercriminals.
The “Matrix Push” C2 tool is being used to hijack browser notifications for phishing purposes.
OSINT (open-source intelligence) remains a critical tool for both attackers and defenders to identify digital footprint vulnerabilities.
Heisenberg Dependency Health Check, a new GitHub Action, provides automated supply chain risk assessment by flagging risky dependencies in pull requests.
Cisco and other vendors are highlighting the increasing risks posed by aging network infrastructure, especially in the context of generative AI-driven attacks.
Budget Samsung phones in certain regions are shipped with pre-installed, unremovable spyware, raising concerns over supply chain and device security.

Regulatory or Policy Developments

The US and allied governments imposed sanctions on Russian bulletproof hosting service providers Media Land and Hypercore for their roles in supporting cybercriminal activities.
The founders of the Samourai cryptocurrency mixer were sentenced to prison for laundering over $237 million.
Windows 10 end-of-support is driving organizations to migrate to Windows 11, with security implications for unsupported systems.
Mozilla formally ended its partnership with Onerep, an identity protection service previously offered via Firefox.