Latest Internet & Cybersecurity News

đź“…December 20, 2025 at 1:00 AM
Global security alerts: widespread exploitation of React2Shell and SSO/cloud misconfigurations, major nation-state campaigns, AI-driven attack risks, and new federal defenses.
1

Google confirms global exploitation of React2Shell (CVE-2025-55182)

Google says multiple threat actors — including Earth Lamia, Jackpot Panda and at least five China-linked groups — are actively exploiting the React2Shell vulnerability to conduct cyber-espionage and deliver backdoors and miners, raising global risk to web-facing servicesSource 1.

2

Amazon disrupts GRU-linked campaign targeting critical cloud infrastructure

Amazon Threat Intelligence reports it disrupted a long-running campaign attributed with high confidence to actors linked to Russia’s GRU that targeted cloud customer infrastructure and perimeter devices, exploiting product flaws and misconfigurations since 2021Source 1.

3

CISA adds new Known Exploited Vulnerability after active SSO/cloud attacks

CISA added CVE-2025-59718 to its KEV catalog following confirmed exploitation involving malicious SSO logins and exfiltration of device configurations that could enable follow-on attacks, with remediation deadlines imposedSource 3.

4

Elastic and CISA launch cloud-based SIEM-as-a-Service for federal agencies

Elastic and CISA announced a cloud-based SIEMaaS to centralize telemetry and strengthen federal agency detection and response capabilities, aiming to reduce fragmentation and improve incident response across U.S. government networksSource 10.

5

AI-related risks reshape cybersecurity guidance and priorities

Industry reports and the Cloud Security Alliance say security teams are rapidly adopting AI while warning of novel risks — prompt injection, model inversion and multi-modal data leakage — and proposing new AI-specific controls for enterprise data protectionSource 5.

6

Apple fixes zero-day flaws used in 'sophisticated' attacks

Apple released patches addressing zero-day vulnerabilities that were actively exploited in targeted, sophisticated attacks, with vendors urging rapid updates to prevent further compromiseSource 7.

7

Cisco warns of active attacks and urges critical patching

Cisco issued warnings about active exploitation of vulnerabilities in its products and recommended immediate patching and mitigations after observing attacker activity consistent with both espionage and financially motivated campaignsSource 7.

8

North Korea-linked actors reported largest crypto thefts of 2025

Reporting indicates DPRK-linked groups stole roughly $2.02 billion in 2025 via cryptocurrency thefts and related operations, marking them among the year’s most prolific financially motivated state-aligned cybercrime actorsSource 12.

9

GhostPoster and Arcane Werewolf phishing campaigns target industrial and regional firms

Security firms reported GhostPoster and Arcane Werewolf phishing campaigns — the latter observed against Russian manufacturing — that use credential theft and malicious attachments to gain initial access and move laterallySource 3Source 6.

10

Major incidents review highlights ransomware, supply-chain and cloud breaches in 2025

Year-to-date reviews outline a pattern of high-impact incidents in 2025: ransomware strikes, supply-chain compromises, OAuth abuse and shadow AI exposures that have affected governments and large corporations worldwideSource 2Source 8.

11

Research convening links AI, terrorism and global security concerns

Experts at a recent conference discussed AI-enabled terrorism, dual-use risks in defense and the need for coordinated research and policy to address how advanced AI amplifies cyber and national-security threatsSource 9.

12

Security vendors document surge in prompt-injection and AI-targeted attacks

Vendors and analysts report rising prompt-injection attacks and AI-targeted exploitation attempts, prompting calls for updated secure-development and model-governance practices to protect data and ML pipelinesSource 5.