Attackers Don't Just Send Phishing Emails. They Weaponize Your SOC's Workload

The most dangerous phishing campaigns aren’t just designed to fool employees. Many are designed to exhaust the analysts investigating them. When a phishing investigation takes 12 hours instead of five minutes, the outcome can shift from a contained incident to a breach. For years, the cybersecuri...

Highly Autonomous Cyber-Capable Agents: Anticipating Capabilities, Tactics, and Strategic Implications

This report introduces the concept of "Highly Autonomous Cyber-Capable Agents" HACCAs, AI systems capable of autonomously conducting multi-stage cyber campaigns at a level comparable to today's top criminal hacking groups or state-affiliated threat actors, and analyzes the security implications o...

Internet-Scale Measurement of React2Shell Exploitation Using an Active Network Telescope

The increasing adoption of server-side component-based web frameworks has introduced new application-layer attack surfaces that remain insufficiently understood at Internet scale. On 3 December 2025, a critical remote code execution vulnerability CVE-2025-55182 in React Server Components, referre...

Rapid7 Detection Coverage for Iran-Linked Cyber Activity

The tension arising out of the conflict in Iran is beginning to show signs of expanding beyond a strictly regional crisis. Following our recent published advisories, this communication is intended to outline and summarize the detection and enrichment coverage available to Rapid7 customers, broadl...

Fileless Multi-Stage Remcos RAT: From Phishing to Memory-Resident Execution

Fileless Multi-Stage Remcos RAT: From Phishing to Memory-Resident Execution By Madhini Muralidharan · March 11, 2026 Traditional malware campaigns rely heavily on dropping executable files to disk—artifacts that defenders can scan, quarantine, and analyze with signature-based security tools. Mode...

The Iranian Cyber Capability 2026

The Iranian Cyber Capability 2026 By John Fokker and Ernesto Fernández Provecho · March 5, 2026 Introduction In 2024, we published an assessment of the Islamic Republic of Iran’s cyber capabilities, outlining the structure, tradecraft, and strategic intent of Iranian-aligned threat actors. The co...

Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale

In this article 1. Operational overview of Tycoon2FA 2. Mitigation and protection guidance 3. Microsoft Defender detections Following its emergence in August 2023, Tycoon2FA rapidly became one of the most widespread phishing-as-a-service PhaaS platforms, enabling campaigns responsible for tens of...

Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale

In this article 1. Operational overview of Tycoon2FA 2. Mitigation and protection guidance 3. Microsoft Defender detections Following its emergence in August 2023, Tycoon2FA rapidly became one of the most widespread phishing-as-a-service PhaaS platforms, enabling campaigns responsible for tens of...

Breaking Bad Email Habits: Bounding the Impact of Simulated Phishing Campaigns

Simulated phishing campaigns are widely deployed, yet the behavioral data they produce is endogenous: because training is triggered by clicking, the employees receiving intervention have already demonstrated susceptibility. This endogeneity, combined with the difficulty of separating genuine habi...

Signed malware impersonating workplace apps deploys RMM backdoors

In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to an unknown threat actor. The campaigns used workplace meeting lures, PDF attachments, and abuse of legitimate binaries to deliver signed malware. Phishing emails directed users to download malicious...

Signed malware impersonating workplace apps deploys RMM backdoors

In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to an unknown threat actor. The campaigns used workplace meeting lures, PDF attachments, and abuse of legitimate binaries to deliver signed malware. Phishing emails directed users to download malicious...

OAuth redirection abuse enables phishing and malware delivery

Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets government and public-sector organizations and uses silent OAuth authentication flows and intentionally invalid scopes to redirect victims to attacker-controlled infrastructure without...

OAuth redirection abuse enables phishing and malware delivery

Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets government and public-sector organizations and uses silent OAuth authentication flows and intentionally invalid scopes to redirect victims to attacker-controlled infrastructure without...

OpenClaw: What is it and can you use it safely?

An AI tool with a funny name has caused quite a commotion as of late—including some allegations of machine consciousness—so here is a breakdown on OpenClaw. Launched in November 2025, OpenClaw is an open-source, autonomous artificial intelligence AI agent that was made to run locally on your own...

CVE-2026-2022

The Smart Forms plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'rednaosmartformsgetcampaigns' AJAX action in all versions up to, and including, 2.6.99. This makes it possible for authenticated attackers, with Subscriber-level access and...

CVE-2026-1303

The MailChimp Campaigns plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.2.4. This is due to missing capability checks on the mailchimpcampaignsmanagerdisconnectapp function that is hooked to the AJAX action of the same name. This makes it possib...

CVE-2026-1303 MailChimp Campaigns <= 3.2.4 - Missing Authorization to Authenticated (Subscriber+) MailChimp App Disconnection

The MailChimp Campaigns plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.2.4. This is due to missing capability checks on the mailchimpcampaignsmanagerdisconnectapp function that is hooked to the AJAX action of the same name. This makes it possib...

CVE-2026-1303

CVE-2026-1303 concerns the MailChimp Campaigns plugin for WordPress (olalaweb-mailchimp-campaign-manager) versions

CVE-2026-1303

The MailChimp Campaigns plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.2.4. This is due to missing capability checks on the mailchimpcampaignsmanagerdisconnectapp function that is hooked to the AJAX action of the same name. This makes it possib...

CVE-2026-1303 MailChimp Campaigns <= 3.2.4 - Missing Authorization to Authenticated (Subscriber+) MailChimp App Disconnection

The MailChimp Campaigns plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.2.4. This is due to missing capability checks on the mailchimpcampaignsmanagerdisconnectapp function that is hooked to the AJAX action of the same name. This makes it possib...