Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

For Managed Security Service Providers (MSSPs), managing cybersecurity programs across multiple client environments can be a daunting task. Context-switching between isolated client accounts, enforcing access policies at scale and ensuring that no vulnerability in one environment affects another demonstrates the ongoing challenges of multi-tenant security.

CVE-2026-48558 is a critical authentication bypass vulnerability in SimpleHelp Remote Monitoring and Management (RMM) software, caused by improper validation of OpenID Connect (OIDC) token signatures. When OIDC is configured with group-authenticated login settings, unauthenticated attackers can forge identity tokens to bypass multi-factor authentication and gain privileged technician-level access to vulnerable SimpleHelp servers — without valid credentials.

A real intrusion, captured in full, shows why trust cannot live inside the model that does the work.

Customer telemetry shows how AI agents behave in a limited set of production environments and what risks they carry. Vulnerability research surfaces how those environments can be attacked. Both sources are valuable, but neither shows actual attacker behavior or how quickly they operationalize a new vulnerability once it's public.

The browser is the operating environment for modern work — it’s where employees access email, SaaS applications, collaboration tools, HR systems, finance platforms, customer data, developer resources and AI services. All of this activity makes the browser a high-value target for attackers because it sits between users, identities, applications, and sensitive enterprise data.

A massive public health system hardened its own network for years — and was still undone by a third-party vendor with weaker controls.

Every AI application relies on data. From customer conversations and healthcare records to financial transactions, organizations process enormous volumes of sensitive information every day. As AI adoption grows, so does the need to protect that data from misuse, exposure, and compliance risks. This is why understanding what privacy by design entails has become a business necessity rather than just a compliance requirement.

Automated vulnerability management uses continuous scanning, risk-based prioritization, and orchestrated remediation workflows to identify, assess, and fix security weaknesses with minimal manual intervention.

Throughout 2026, Arctic Wolf has investigated multiple Anubis ransomware intrusions. Although threat actor tradecraft differs between intrusions, key themes have emerged: abuse of VPN infrastructure, blending in with legitimate activity through the use of Remote Monitoring and Management (RMM) solutions, and using other legitimate binaries on victim devices.

I have lost count of the post-incident reviews where the most painful conversation was not about the breach itself. It was about the retainer. A CISO realizes the prepaid hours expired six weeks before the intrusion began. A General Counsel discovers the retained firm is not on the cyber insurance panel and the claim is now in dispute. A board member asks why an organization that paid for "preparedness" spent the first eighteen hours of an incident negotiating scope.