Latest Internet & Cybersecurity News

📅December 15, 2025 at 1:00 PM
Critical supply‑chain RCE in React (React2Shell), widespread ransomware and data breaches, state‑linked espionage exploiting frameworks, AI‑enabled cyber threats, and major breaches impacting millions.
1

Critical React server‑side RCE 'React2Shell' (CVE‑2025‑55182) exploited in active campaigns

A critical server‑side RCE in React Server Components, tracked as CVE‑2025‑55182 (also linked to duplicate CVE‑2025‑66478), allows unauthenticated remote code execution and has been actively exploited to deploy miners, backdoors and tunnelling tools; vendors urge immediate patching and scanning of exposed RSC/Next.js deploymentsSource 1.

2

Google links China‑nexus espionage clusters to React2Shell exploitation

Google observed multiple China‑nexus clusters (e.g., UNC6600, UNC6586) exploiting React2Shell to deliver tooling such as MINOCAT (FRP tunneler), SNOWLIGHT downloader and various backdoors, underscoring rapid weaponization of the flaw across industriesSource 2.

3

Massive data breach: 700Credit exposes 5.8 million individuals' personal data

Threat actors stole names, addresses, dates of birth and Social Security numbers for about 5.8 million people from 700Credit's systems, highlighting ongoing risk to consumer‑reporting pipelines and downstream identity fraudSource 9.

4

Minteye ransomware claims 1.9 TB exfiltration from David M. Schwarz Architects

Ransomware group Minteye published a claim that it exfiltrated roughly 1.9 TB of data from architecture firm David M. Schwarz Architects, threatening publication and prompting incident response and compromise assessmentsSource 4.

5

Wavenet breached by 'Worldleaks' — potential class action and consumer risk

Wavenet reported a breach attributed to the Worldleaks group on December 14, 2025, triggering class‑action notices and recommendations for exposed customers to monitor credentials and take protective measuresSource 6.

6

WinRAR zero‑day, Apple 0‑days and other active exploits top weekly threat recap

A recent weekly security roundup documents multiple high‑profile zero‑days — including Apple and WinRAR issues — alongside credential theft campaigns and supply‑chain intrusions, advising rapid patching and incident huntingSource 2.

7

Pro‑Russia hacktivists escalate attacks on critical infrastructure globally, CISA warns

CISA issued advisories linking pro‑Russia hacktivist operations to disruptive attacks against infrastructure, providing mitigation guidance to operators of critical systems to reduce exposureSource 8.

8

700Credit breach fuels renewed calls for stricter data‑broker controls and remediation

The scale and sensitivity of the 700Credit breach has driven regulatory and industry discussion about tighter controls on consumer data brokers and faster breach notification and remediation practicesSource 9.

9

2025 marks acceleration of AI in both defensive and offensive cyber operations

Analysts report 2025 as the year cybersecurity 'crossed the AI Rubicon,' with widespread deployment of AI for automated defense and adversaries using AI to scale phishing, vulnerability discovery, and malware generationSource 3.

10

Gentlemen ransomware emerges as a new corporate threat group

Security researchers have identified 'Gentlemen' ransomware variants targeting corporate networks; initial reporting warns on extortion and data‑leak double extortion tactics and recommends hardening backups and network segmentationSource 11.

11

U.S. prosecution of foreign nationals for infrastructure cyberattacks continues

Recent reporting notes continued criminal charges against foreign nationals accused of cyberattacks on critical infrastructure, reflecting sustained international law‑enforcement focus on state‑linked and criminal operatorsSource 2.

12

Regional focus: GCC cybersecurity trends from SANS threat landscape review

A regional SANS review highlights evolving threats in the Gulf Cooperation Council (GCC), including targeted espionage, OT risk and the need for improved threat detection and workforce skills in 2025Source 5.