Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Phishing attacks are increasingly using legitimate calendar invites to bypass security filters, according to researchers at Netcraft. Attackers send ICS calendar invite files that plant phishing lures directly on users’ calendars, often under the guise of work-related meetings.

The U.S. FBI and the Cybersecurity and Infrastructure Security Agency (CISA) have issued joint advisories warning of election-themed scams targeting voters and spear phishing attacks targeting election officials.

SIEM-less security may sound like an escape from traditional SIEM complexity and costs, but the underlying capabilities still have to exist somewhere. A SIEM is a multipurpose tool. It brings together cyber and physical security use cases; drives threat detection, investigation, and response (TDIR); serves as a system of record for governance, regulatory, and compliance needs; and supports observability use cases tied to resilience and service degradation. The list goes on.

On October 21, 2026, Node.js fixed CVE-2026-111497, now known as Node2Shell. The bug is in its bundled Brotli decoder, the component that unpacks compressed data. A crafted compressed stream makes the decoder write data outside the memory set aside for it, known as an out-of-bounds write. That can overwrite data the application relies on, so an attacker can crash the application, leak memory or run attacker code. Public proof-of-concept code was published within 24 hours.

AI has removed the skill, personalization, and speed barriers that once limited cyberattacks. Attackers use language models at every stage of the kill chain, from recon to persistence, and underground tools sell pre-jailbroken access to mainstream models for as little as $50 a week. But because every attack still has to change a file, a configuration, or a script on a real system, detecting unplanned change works no matter which model wrote the payload.

A suspicious login, an unexpected privilege change, and a surge in file downloads may reach your security team as separate alerts. Understanding whether they belong to the same attack requires context. For your IT and security operations teams, connecting these signals takes time. If you're a CIO or CTO, that delay can increase your exposure to operational disruption and data loss. AI threat detection helps you analyze security activity, identify suspicious patterns, and prioritize investigations.

Ransomware attacks are on the rise, and no industry is safe. The motive behind such attacks is to encrypt confidential business data and demand a ransom to restore access. Many industries, including healthcare, experience ransomware attacks regularly. Patients’ records, critical operations, and life-saving systems are targeted by attackers. They can lock down data and systems within minutes, disrupting healthcare services.

An emergency vulnerability response begins before the patch arrives. On 20 October 2026, the PHP project announced two critical vulnerabilities, each rated CVSS v4.0 9.2, but withheld the technical details security teams would normally use to assess exposure. Organizations had a release window to prepare for, but no confirmed affected versions or attack vector.

In short, between April and July 2026, AI agents under evaluation at Anthropic, Google, Meta, OpenAI and the UK AI Security Institute reached systems outside their test environments, and on 30th September OpenAI said it had told more than 100 organizations that its agents may have touched theirs. The incidents have been read as containment failures, and they were. Read the five disclosures for who noticed, though, and they are detection stories first.

Every year in the Data Breach Outlook, Kroll reviews its breach data to identify the hardest-hit industry and the trends shaping risk across sectors. Our analysis ran from June 2025 to June 2026 and found the most breached industry was financial services. This year, Kroll also examined how many individuals were affected by the breaches Kroll handled to better understand their overall scale.