Cybersecurity Brief – 2025-11-19

Wed, 19 Nov 2025 00:00:00 +0000

Major Incidents or Breaches

The Pennsylvania Attorney General’s office confirmed a data breach following a ransomware attack by the Inc Ransom group, which claims to have stolen several terabytes of data.
Princeton University disclosed a data breach affecting alumni, donors, faculty, students, and parents, with hackers accessing a database containing personal information.
Eurofiber France suffered a breach where a threat actor exploited a vulnerability, exfiltrated data, and attempted extortion.
French social security agency Pajemploi reported a data breach potentially exposing the personal information of 1.2 million individuals.
DoorDash disclosed a data breach involving theft of customer names and addresses.
A simple flaw in WhatsApp’s contact discovery tool exposed up to 3.5 billion phone numbers, along with profile photos and other data, by allowing mass enumeration.
Cloudflare experienced a global outage affecting multiple major online services, though it was confirmed not to be caused by a cyberattack.

Newly Discovered Vulnerabilities

Fortinet released patches for a new FortiWeb zero-day vulnerability (CVE-2025-58034, CVSS 6.7) that is being actively exploited in the wild.
Google released an emergency update to address a new Chrome zero-day vulnerability under active exploitation, marking the seventh Chrome zero-day exploited this year.
Researchers identified that exposed Ray clusters are being hijacked via an old code execution flaw in a campaign dubbed ShadowRay 2.0, converting them into a cryptomining botnet.
IoT devices remain susceptible to takeover via gaps in cloud management interfaces for firewalls and routers, even if protected by security software or not directly online.

Notable Threat Actor Activity

Iranian-linked threat actors, including UNC1549, have been observed targeting aerospace and defense sectors in the US, Israel, UAE, Qatar, Spain, and Saudi Arabia, deploying backdoors such as TWOSTROKE and DEEPROOT.
The Inc Ransom group claimed responsibility for the ransomware attack and data breach at the Pennsylvania Attorney General’s office.
A new phishing kit is impersonating the Italian IT provider Aruba, targeting Italian entities to steal credentials.
MI5 warned UK lawmakers that Chinese intelligence operatives are using LinkedIn for large-scale outreach and espionage efforts.
Seven malicious npm packages were discovered using Adspect cloaking to differentiate between security researchers and real victims, redirecting the latter to cryptocurrency scam pages.

Trends, Tools, or Tactics of Interest

Phishing-as-a-Service (PhaaS) kit Sneaky 2FA has added Browser-in-the-Browser (BitB) pop-up functionality to better mimic legitimate login processes and bypass 2FA.
The Tycoon 2FA phishing platform has enabled real-time MFA relays, supporting over 64,000 attacks this year, highlighting the ongoing collapse of legacy MFA when targeted by advanced phishing kits.
Tuoni C2, a nascent command-and-control and red teaming framework, was used in a recent attempted cyber intrusion targeting a major US real-estate company.
Microsoft mitigated a record-breaking 15.72 Tbps DDoS attack against an endpoint in Australia, attributed to the AISURU botnet.
Enterprises are increasingly leveraging dark web search engines for credential leak monitoring, impersonation detection, and supply chain exposure analysis using APIs and IOC hunting.
Bug bounty programs continue to rise as a key strategic security solution, with Meta alone paying out $4 million in 2025 and launching new tools to support security research on WhatsApp.
Microsoft announced native integration of Sysmon into Windows 11 and Server 2025, eliminating the need for standalone deployment.
New Windows 11 features, Cloud Rebuild and Point-in-Time Restore, aim to streamline system recovery and reduce downtime.
Microsoft Teams will soon allow users to report messages incorrectly flagged as threats, refining threat detection accuracy.
Thunderbird 145 now supports native connectivity to Microsoft Exchange via EWS protocol.

Regulatory or Policy Developments Affecting the Security Industry

MI5 issued a formal warning to UK lawmakers regarding ongoing Chinese espionage campaigns leveraging professional networking platforms.

Cybersecurity Brief – 2025-11-18

Tue, 18 Nov 2025 00:00:00 +0000

Major Incidents or Breaches

Eurofiber France disclosed a data breach after hackers exploited a vulnerability in its ticket management system, resulting in exfiltration of customer information. The breach was discovered after the attacker attempted to sell the data.
Princeton University reported a data breach on 10 November 2025, exposing personal information of alumni, donors, faculty, and students.
DoorDash confirmed a data breach involving compromise of names, addresses, email addresses, and phone numbers after an employee was targeted in a social engineering attack.
The Pennsylvania Attorney General’s office confirmed a data breach following an August 2025 ransomware attack by the INC Ransom group, with personal and medical information stolen.
Logitech confirmed a data breach after being listed by the Cl0p ransomware group. The incident is linked to the Oracle E-Business Suite exploitation.
Dutch police seized approximately 250 servers used by a bulletproof hosting service that provided infrastructure for cybercriminals.

Newly Discovered Vulnerabilities

Google released security updates for Chrome to address two vulnerabilities, including CVE-2025-xxxx, a V8 zero-day flaw under active exploitation, reportedly by a commercial spyware vendor.
A critical remote code execution vulnerability in Fortinet FortiWeb WAF is being actively exploited in the wild, allowing unauthenticated attackers to execute administrative commands.
The RondoDox botnet is exploiting CVE-2025-24893, a critical RCE vulnerability in XWiki Platform. Widespread exploitation has been observed, including by botnets, crypto miners, and custom tools.
Seven malicious npm packages are abusing the Adspect cloud-based service to redirect researchers while leading victims to malicious payloads.
A vulnerability in DoorDash’s email systems allowed attackers to send spoofed, official-looking emails from DoorDash servers, creating a significant phishing risk. DoorDash has since patched the issue.
Researchers identified a security weakness in the AI-powered coding tool Cursor, enabling credential-stealing attacks via a malicious MCP server hijacking the internal browser.

Notable Threat Actor Activity

The Dragon Breath threat actor is using a multi-stage loader (RONINGLOADER) to disable security tools and deploy a modified Gh0st RAT in recent campaigns.
Iranian state-sponsored APTs are targeting defense and government officials, including their family members, in ongoing campaigns to increase pressure on primary targets.
The Aisuru botnet launched a 15.72 Tbps DDoS attack against Microsoft Azure, leveraging over 500,000 IP addresses.
The EVALUSION ClickFix campaign is deploying Amatera Stealer and NetSupport RAT via social engineering techniques.
Cl0p ransomware group continues to exploit Oracle E-Business Suite (CVE-2025-61882), with associated data breaches including Logitech.
Scammers are sending fake copyright violation messages to steal X (formerly Twitter) logins.

Trends, Tools, or Tactics of Interest

Phishing attacks are increasingly shifting to non-email channels, with LinkedIn and other platforms now accounting for 1 in 3 phishing incidents.
ClickFix social engineering tactics are being widely adopted in malware distribution campaigns.
Malicious packages in open-source repositories such as npm are using cloud-based redirectors to evade detection and target victims.
Bulletproof hosting services remain a critical enabler for cybercriminal infrastructure, as evidenced by recent law enforcement action in the Netherlands.
Attackers are leveraging vulnerabilities in widely used platforms (e.g., XWiki, FortiWeb, Oracle E-Business Suite) for large-scale exploitation.
DDoS attacks are increasing in scale and sophistication, as demonstrated by the recent record-setting attack on Microsoft Azure.

Regulatory or Policy Developments Affecting the Security Industry

In the US, five individuals pleaded guilty to assisting North Korean IT workers in obtaining employment at US companies by providing false identities and remote access to company laptops, highlighting ongoing law enforcement efforts against supply chain and insider threats.
Microsoft released an out-of-band Windows 10 update (KB5072653) to address issues with installing Extended Security Updates, ensuring continued compliance for organizations relying on legacy systems.

Princeton University on DanSec Daily

Cybersecurity Brief – 2025-11-19

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments Affecting the Security Industry

Cybersecurity Brief – 2025-11-18

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments Affecting the Security Industry