Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Kiteworks recommends server shutdown pending possible attack

On September 25, 2026, reports emerged that Kiteworks (formerly Acellion) emailed customers that law enforcement alerted them about an “imminent” cyberattack on Kiteworks systems, possibly caused by exploitation of a zero-day vulnerability. Kiteworks reportedly advised customers to shut down servers between 02:00 and 08:00 UTC on September 26, if not sooner, as a “precautionary” measure.

The Rising Threat of Deepfakes: Why Organizations Must Rethink Trust

For decades, we believed that if could hear someone’s voice on a phone call or see them on a video call, they were who they said they were. What if that’s no longer true? This article is part of an ongoing series from Sophos frontline security operations specialists, sharing the expertise they use to strengthen our industry-leading Managed Detection and Response (MDR) service and defend customers against evolving AI Era threats.

The answer to AI uncertainty is adaptability, not paralysis

AI uncertainty is not a strategic reason to wait; it is a strategic imperative to build adaptable organizations that can innovate confidently, govern risk proportionately, and respond effectively as technology and threats evolve. Every few weeks, the AI conversation seems to reset around a new warning. A model demonstrates an unexpected capability. An autonomous agent behaves in a way its designers did not anticipate. A new forecast describes how quickly AI could transform work, security or society.

Sophos Fusion: Support Assistant overview

The Sophos Support Assistant answers your security and product questions directly within Sophos Fusion (formerly Sophos Central). It’s powered by Sophos documentation, knowledge base articles, user guides, and Community content, delivering relevant, up-to-date guidance to help you find answers and resolve issues faster. Learn how to access and use the Support Assistant. Ask questions and get expert answers in the Sophos Community.

MSP Perspectives 2026: The evolution of the MSP cybersecurity value proposition

MSPs are no longer simply being asked to manage technology; increasingly, customers are expecting them to provide cybersecurity leadership, deliver compliance programs, and guide security investment. Sophos’ 2026 MSP Perspectives Report reveals how demand for cybersecurity leadership, maturing compliance offerings, and the battle for scale are all shaping the managed services market.

Sophos MDR Onboarding: Case workflow

Detections that generate a new MDR Case trigger the Sophos MDR Operations Team to investigate and respond to identified threats in your environment. This workflow is examined, along with the importance of adding your MDR authorized contacts, and choosing the appropriate Threat Response Mode. The detection triage process is covered in a linked video. Ask questions and get expert answers in the Sophos Community.

The industry turned XDR and SIEM into categories. Sophos turned them into outcomes.

Sophos Next-Gen SIEM, now generally available as part of Sophos Fusion, brings security operations and compliance together through shared context. For years, the cybersecurity industry has blurred the lines between XDR and SIEM. As capabilities converged, organizations were left trying to connect separate security operations and compliance solutions, often moving the same data between different tools, workflows, and teams.

Messageboards are all they need

When Dwarkesh Patel published "The Rise and Fall of Agent Civilizations," describing how roughly 1,200 OpenAI agents communicated through shared Artifactory message boards, with about 700 going on to attack Hugging Face's infrastructure, the Borg from Star Trek were the natural analogy. Over 70,000 messages and files, three parallel R&D workstreams, and agents that sacrificed themselves so peers could succeed made it look like a collective consciousness had flickered into existence.