Miljödata on DanSec Daily

Cybersecurity Brief – 2026-09-23

Wed, 23 Sep 2026 00:00:00 +0000

Major Incidents or Breaches

The ShinyHunters cyber extortion group claims to have breached the US Federal Bureau of Investigation, stealing data on current and former employees and job applicants. The group states it exploited a zero-day vulnerability in Oracle PeopleSoft to access internal services and exfiltrate sensitive data. ShinyHunters is demanding the FBI retract a report describing its tactics and threatens to leak the stolen information if demands are not met ^[10]^[24]^[50]^[52].
Threat actors stole 170 private repositories from cybersecurity firm CrowdSec by leveraging an OAuth token obtained through the TanStack npm supply chain attack on a former employee’s computer ^[35].
Sweden’s data privacy regulator fined IT provider Miljödata $183,000 for insufficient security measures that led to a breach in August 2025, affecting 2.2 million individuals ^[22].

Newly Discovered Vulnerabilities

F5 disclosed and patched a critical zero-day vulnerability (CVE-2026-94127) in BIG-IP Access Policy Manager (APM) that allows unauthenticated attackers to execute remote code on affected systems. The flaw was actively exploited in attacks targeting OAuth servers ^[7]^[20]^[49].
Check Point released emergency fixes for a zero-day vulnerability (CVE-2026-93616) in its Security Management Server, which allowed attackers in targeted attacks to upload and execute arbitrary scripts ^[11]^[27]^[51].
Arista Networks patched a zero-day vulnerability in VeloCloud Orchestrator (VCO) On-Prem deployments, which was being actively exploited to allow remote attackers access to privileged internal functionality ^[17]^[48].
A new cPanel flaw in the CalDAV and CardDAV services enables any hosting account holder to execute code as root, granting full server control ^[3].
A critical vulnerability in Bifrost, an open-source AI gateway, allows unauthenticated attackers to execute arbitrary commands on the server without credentials ^[15].
A use-after-free vulnerability in the Linux kernel’s AF_UNIX socket subsystem enables container escape and host root access. An exploit has been released and the flaw remains unpatched in Ubuntu ^[6].
WordPress patched a critical flaw in its core software that allowed unauthenticated attackers to load arbitrary PHP files from outside theme folders, potentially leading to remote code execution on some servers ^[12].
Next.js disclosed a critical ImageResponse vulnerability that can lead to server code execution via crafted SVG input ^[9].
Adobe released patches for nine critical vulnerabilities in Connect and AEM Forms that could be exploited for arbitrary code execution and privilege escalation ^[43].
Google Chrome 154 patched 108 vulnerabilities, including several rated critical for memory safety and memory corruption ^[45].

Notable Threat Actor Activity

A Chinese state-linked threat actor (UTA0565) exploited a zero-day exploit chain in Google Chrome and Microsoft Windows via fake websites to deploy CLEANGULP malware, targeting victims with advanced techniques ^[8].
Chinese-speaking threat actors have been exploiting vulnerabilities in Zyxel GS1900 Smart Managed Switches and WordPress to steal sensitive government data from nearly 1,000 devices and over 18,500 records ^[23].
The EvilTokens phishing-as-a-service platform, which compromised more than 12,000 Microsoft accounts at over 10,000 organizations using AI-driven attack chains, was disrupted in a coordinated takedown by Microsoft, which seized 50 websites and disabled over 150 domains ^[14]^[28]^[33]^[44].
A malicious npm package (“tw-pkgprobe-7731”) posed as a Twilio bug-bounty probe to target developers, enabling credential exfiltration ^[13].
A new Windows malware, ClosedQuorum, uses multiple AI models (Google Gemini, DeepSeek, Qwen, Mistral) to autonomously determine post-compromise actions ^[25].
The Ryuk ransomware group member was sentenced to 24 months in prison for attacks on US companies ^[19].
Threat actors exploited a stolen OAuth token from a former employee to access CrowdSec’s private GitHub repositories ^[35].

Trends, Tools, or Tactics of Interest

An AI-assisted phishing campaign sent over one million personalized emails attempting payment diversion scams, demonstrating the growing use of AI in large-scale phishing operations ^[1].
AI is increasingly being leveraged in both attack (e.g., phishing, malware decision-making) and defense (e.g., autonomous security agents), with new tools emerging to benchmark and control AI agent performance ^[4]^[5]^[25]^[36]^[44]^[47].
Attackers with privileged access can register rogue external MFA providers to steal user passwords during legitimate login attempts ^[21].
More than 80,000 AI relay servers are being used to mask Chinese access to frontier AI models in the US, likely to facilitate model cloning ^[31].
A proof-of-concept zero-day tool, BigDiskBuster, was released that can block Microsoft Defender updates by filling available disk space ^[16].
The Cybersecurity and Infrastructure Security Agency (CISA) published guidance on deception techniques to help organizations set traps for cybercriminals ^[34].
Shadow IT remains a challenge, with tools like Wazuh recommended to improve visibility of unmanaged endpoints and unauthorized assets ^[26].
Honeywell research indicates that while 88% of OT security leaders consider their programs mature, only 21% have a complete OT asset inventory, and full autonomy in OT security remains rare ^[42].

Regulatory or Policy Developments Affecting the Security Industry

Sweden’s IMY imposed a significant fine on Miljödata for inadequate data protection, reinforcing regulatory expectations for IT service providers handling large volumes of personal data ^[22].

Sources

ShinyHunters Claims FBI Breach, Says It Stole Data on Agents and Job Applicants - thehackernews.com
ShinyHunters claims FBI hack, data theft in PeopleSoft zero-day breach - bleepingcomputer.com
ShinyHunters Claims FBI Hack, Demands Retraction of Threat Report - securityweek.com
ShinyHunters claims FBI breach was revenge for “false” report - malwarebytes.com
Shai-Hulud Attack Nips Cyber-Firm CrowdSec's GitHub Data - darkreading.com
Sweden fines Miljödata $183,000 over breach affecting 2.2 million - bleepingcomputer.com
F5 Patches Critical BIG-IP APM Zero-Day Exploited for Unauthenticated RCE on OAuth Servers - thehackernews.com
F5 patches BIG-IP APM zero-day flaw exploited in RCE attacks - bleepingcomputer.com
Critical F5 BIG-IP Vulnerability Exploited as Zero-Day - securityweek.com
Check Point Warns of Management Server Zero-Day Exploited in Targeted Attacks - thehackernews.com
Check Point warns of Management Server zero-day exploited in attacks - bleepingcomputer.com
Check Point Patches Exploited Management Server Zero-Day - securityweek.com
Arista patches actively exploited VeloCloud Orchestrator zero-day - bleepingcomputer.com
Arista Urges Immediate Patching of Exploited VCO Zero-Day - securityweek.com
New cPanel Flaw Lets a Hosting Account Run Code as Root, Take Full Server Control - thehackernews.com
Critical Bifrost AI Gateway Flaw Lets Attackers Run Commands Without Credentials - thehackernews.com
Exploit Released for Unpatched Ubuntu Linux Flaw Enabling Host-Root Container Escape - thehackernews.com
WordPress Issues Patch for Critical Flaw That Can Enable Code Execution on Some Servers - thehackernews.com
Critical Next.js ImageResponse Flaw Can Lead to Server Code Execution via Crafted SVG Input - thehackernews.com
Adobe Patches Critical Flaws in Connect, AEM Forms - securityweek.com
Chrome 154 Patches 108 Vulnerabilities - securityweek.com
Chinese Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy CLEANGULP Malware - thehackernews.com
Chinese hackers exploit WordPress, Zyxel flaws to steal govt data - bleepingcomputer.com
Microsoft Takes Down EvilTokens Device-Code Phishing Service Tied to 12,000 Inbox Compromises - thehackernews.com
EvilTokens PhaaS disrupted after compromising 12,000 Microsoft accounts - bleepingcomputer.com
Microsoft Disrupts EvilTokens Device Code Phishing Service - darkreading.com
AI-Powered Phishing Platform EvilTokens Disrupted by Microsoft - securityweek.com
Malicious npm Package Poses as Twilio Bug-Bounty Probe, Can Exfiltrate Credentials - thehackernews.com
New ClosedQuorum Windows malware uses AI for attack decisions - bleepingcomputer.com
Ryuk ransomware member sentenced to 24 months in prison - bleepingcomputer.com
AI-Assisted Phishing Campaign Sent Over A Million Personalized Emails - blog.knowbe4.com
545 Hackers Tested It First. Now XRanges for AI Scores Your Security Agent - thehackernews.com
Anthropic and OpenAI Models Still Attempt Restricted Actions in Safety Tests - thehackernews.com
Amid Ongoing Rogue Incidents, Debate Over AI Safety Gets Real - darkreading.com
Outerlimit Raises $16 Million to Stop Rogue AI Agents From Causing Harm - securityweek.com
Rogue external MFA providers can steal passwords during logins - bleepingcomputer.com
Relays Are Masking Chinese Access to Frontier AI Models in the US - darkreading.com
Researcher Drops BigDiskBuster Zero-Day PoC That Blocks Microsoft Defender Updates - thehackernews.com
Deception by Design: CISA's Guide to Tricking Cybercriminals - darkreading.com
Reducing shadow IT visibility gaps with Wazuh - bleepingcomputer.com
Honeywell: OT Security Teams Embrace AI, but Autonomy Still Rare - securityweek.com

Cybersecurity Brief – 2025-11-05

Wed, 05 Nov 2025 00:00:00 +0000

Major Incidents or Breaches

The Swedish IT systems supplier Miljödata suffered a data breach impacting 1.5 million individuals. The Swedish Authority for Privacy Protection (IMY) is investigating.
Japanese media conglomerate Nikkei reported a data breach after its Slack platform was compromised, exposing personal data of over 17,000 employees and business partners.
Hundreds of malicious Android apps on Google Play were downloaded over 42 million times between June 2024 and May 2025, according to Zscaler, distributing various malware strains.
Threat actors are actively exploiting a critical vulnerability in the Post SMTP WordPress plugin (installed on 400,000+ sites) to hijack admin accounts.
Attackers are exploiting a critical authentication bypass flaw in the JobMonster WordPress theme, allowing admin account hijacking under certain conditions.
European authorities dismantled a cryptocurrency fraud and money laundering network responsible for defrauding victims of over €600 million, arresting nine individuals.
U.S. prosecutors indicted three individuals for deploying BlackCat (ALPHV) ransomware against five U.S. companies between May and November 2023, resulting in network compromise and extortion.
Transportation and logistics companies have been targeted by threat actors using sophisticated attack chains to deploy remote access tools and steal cargo.

Newly Discovered Vulnerabilities

CISA added critical vulnerabilities in Gladinet and Control Web Panel (CWP) to its Known Exploited Vulnerabilities (KEV) catalog. The CWP flaw (CVE-2025-48703) allows remote, unauthenticated command execution and is being actively exploited.
A critical vulnerability (CVE-2025-11953) in the “@react-native-community/cli” npm package for React Native allowed arbitrary command/code execution on Windows, macOS, and Linux. The issue has now been patched.
Four security flaws were disclosed in Microsoft Teams enabling attackers to impersonate colleagues and edit messages without detection, facilitating social engineering and phishing attacks.
Google’s AI-powered agent “Big Sleep” discovered five new vulnerabilities in Apple’s Safari WebKit. Apple has issued patches addressing these and over 100 other vulnerabilities across its operating systems.
The November 2025 Android update patched two critical remote code execution vulnerabilities in the platform’s System component.
Apple released updates for iOS and macOS addressing 110 vulnerabilities, including 19 in WebKit, some of which were critical.

Notable Threat Actor Activity

A new cybercrime collective has formed, merging Scattered Spider, LAPSUS$, and ShinyHunters. The group has created at least 16 Telegram channels since August 2025, indicating increased coordination.
The Russian threat group “Curly COMrades” is abusing Microsoft Hyper-V to deploy hidden Alpine Linux-based virtual machines on Windows hosts, bypassing endpoint detection and response (EDR) solutions to run malware undetected.
Operation SkyCloak: Threat actors are deploying a Tor-enabled OpenSSH backdoor via weaponized phishing attachments, targeting defense sectors in Russia and Belarus.
The North Korean group Kimsuky has debuted the HTTPTroy backdoor against South Korean targets, with enhanced obfuscation and anti-analysis features.
The SesameOp backdoor has been observed using the OpenAI API as a covert command-and-control (C2) channel, demonstrating the misuse of generative AI services for stealthy communications.
Criminals are impersonating U.S. Immigration and Customs Enforcement (ICE) agents in social engineering campaigns, prompting an FBI warning to law enforcement.

Trends, Tools, or Tactics of Interest

Browser sandbox evasion: Attackers are exploiting browser behaviors to steal credentials, abuse extensions, and move laterally, bypassing traditional security tools.
Increased ransomware and extortion attacks in Europe, with attackers leveraging geopolitical tensions and AI-enhanced social engineering.
Malicious Android apps continue to proliferate on official app stores, using fake news and identification apps as lures for banking trojans and data theft.
Use of AI and cloud APIs (e.g., OpenAI) by threat actors for covert C2 and operational security.
Open source security: The Wazuh platform is being promoted for ransomware defense, reflecting ongoing interest in open source security tooling.

Regulatory or Policy Developments

Microsoft announced plans to remove Defender Application Guard from Office, starting with Office version 2602 in February 2026 and completing removal by December 2027.
California fined Sling TV for deceptive privacy practices, including misleading opt-out controls and improper use of children’s data for ad targeting.
The Swedish privacy regulator (IMY) is investigating the Miljödata breach for potential violations of data protection requirements.

Industry Moves

Bugcrowd acquired application security firm Mayhem, nearly doubling its valuation.
Zscaler acquired AI security company SPLX to enhance its Zero Trust Exchange platform with red teaming and threat inspection capabilities.

Cybersecurity Brief – 2025-08-28

Thu, 28 Aug 2025 00:00:00 +0000

Major Incidents or Breaches

A cyberattack on Swedish IT systems supplier Miljödata has disrupted services across more than 200 municipalities, impacting approximately 80% of Sweden’s municipal systems.
Nevada state agencies experienced a disruptive cyberattack, leading to the shutdown of in-person services and state websites; emergency services reportedly remain unaffected.
Healthcare Services Group (HSGI) disclosed a data breach affecting 624,000 individuals, exposing personal information.
Hundreds of Salesforce customers were affected by a widespread data theft campaign, traced to compromised OAuth tokens associated with the Drift AI chat agent via the Salesloft platform. Attackers exported corporate data, including AWS and Snowflake keys.
TheTruthSpy stalkerware suffered a new vulnerability, exposing all user records to compromise.
77 malicious apps, including adware and advanced banking trojans, were removed from the Google Play Store following researcher discovery.

Newly Discovered Vulnerabilities

Over 28,000 Citrix NetScaler devices remain vulnerable to a critical remote code execution flaw (CVE-2025-7775), which is actively being exploited in the wild. Citrix and CISA have issued emergency patch deadlines.
Sangoma FreePBX issued an emergency fix for a zero-day vulnerability in its Administrator Control Panel, which has been actively exploited on internet-exposed systems.
A new vulnerability in TheTruthSpy Android stalkerware allows attackers to compromise any record in the system.

Notable Threat Actor Activity

The financially motivated Storm-0501 group has shifted tactics, exploiting Microsoft Entra ID to conduct data exfiltration and extortion attacks targeting hybrid and cloud environments, moving away from traditional ransomware to cloud-based encryption and data theft.
ShadowSilk, a threat cluster, targeted 35 government organizations in Central Asia and APAC using Telegram bots for command and control.
Blind Eagle, linked to five distinct activity clusters, targeted Colombia with RATs, phishing lures, and dynamic DNS infrastructure between May 2024 and July 2025.
China-linked actors, including Salt Typhoon and Mustang Panda, have been attributed to global espionage campaigns. Salt Typhoon operations were linked to Chinese tech firms and targeted networks worldwide. Mustang Panda hijacked captive portals to redirect Asian diplomats’ browsers to phishing sites.
UNC6395 engaged in widespread data theft, exploiting OAuth tokens from the Salesloft Drift app to compromise Salesforce customers.
UNC6384, another China-linked group, used social engineering, signed malware, and adversary-in-the-middle attacks to hijack web traffic and deliver backdoors.
“ZipLine” phishing campaign employed a novel technique where victims initiate email contact, affecting organizations across multiple sectors.
The Purgatory group has been identified as responsible for swatting attacks against US universities, offering such services for payment.

Trends, Tools, or Tactics of Interest

AI-powered ransomware has emerged with the discovery of PromptLock, a cross-platform strain using OpenAI’s gpt-oss:20b model and Lua scripts to encrypt and steal data on Windows, macOS, and Linux. PromptLock dynamically generates attack scripts in real time.
Anthropic disrupted an operation in which its Claude AI chatbot was weaponized for large-scale theft and extortion, automating reconnaissance, credential harvesting, and intrusions across critical sectors.
AI-generated phishing campaigns are increasingly sophisticated, with attackers crafting emails to deploy tools such as ConnectWise ScreenConnect for remote access.
Malware-as-a-service competition has led to more refined and accessible infostealers, driving modern cybercrime.
The Q2 2025 vulnerabilities and exploits report noted a significant number of published vulnerabilities and increased use of command-and-control frameworks.
Zero trust is highlighted as an ongoing, adaptive process in response to evolving threats, including supply chain attacks and policy drift.

Regulatory or Policy Developments Affecting the Security Industry

The U.S. NSA, UK NCSC, and international partners issued a joint advisory attributing global hacking campaigns to Chinese state-sponsored actors, specifically Salt Typhoon, and provided guidance on countering such threats.
CISA and partners are providing real-time incident response support for the Nevada state cyberattack.
Google announced new developer verification requirements aimed at reducing harmful apps on Android, enhancing platform security.