Art Appraisal Blog

Modern cyber intrusions increasingly avoid custom malware and obvious exploit chains. Instead, attackers are abusing tools that organizations already trust, deploy, and permit by policy. Among the most effective of these are legitimate remote support and remote access tools. Software designed for IT support, vendor maintenance, and operational continuity has become a prime mechanism for silent persistence, low‑noise access, and long‑term control. Remote support tools blend perfectly into enterprise environments....

For years, organizations treated information technology and operational technology as separate worlds. IT handled email, servers, identity, and business applications. OT controlled physical processes like manufacturing lines, energy generation, water treatment, and transportation systems. That separation no longer exists in practice. Digital transformation, remote access, cloud integration, and centralized identity have created an invisible bridge between IT and OT. When that bridge is compromised, an IT breach can rapidly cascade...

Microsoft Teams has rapidly evolved from a collaboration tool into a core enterprise control plane. It is deeply integrated with identity, file storage, meeting workflows, and automation through Microsoft 365. That integration is precisely what makes Teams attractive to threat actors. Messages carry inherent trust because they are identity backed, authenticated, and delivered inside an environment users associate with internal communication. Why Microsoft Teams has become a high‑trust attack surface...

Anthropic Mythos represents a turning point in cybersecurity that goes beyond incremental improvements in scanning or automation. It signals a change in who can discover vulnerabilities, how fast they can be found, and how easily exploit chains can be produced at scale. Why Mythos matters right now For decades, vulnerability discovery relied on the labor of expert researchers, targeted fuzzing, and time consuming manual reasoning. Mythos compresses that cycle into...

Initial access is no longer a single technical event. It is a sequence of trust failures, exposed pathways, and human dependencies that attackers exploit to quietly enter an environment. In recent intrusions, the most damaging outcomes rarely come from exotic exploits or advanced malware. They come from abusing entry paths that organizations already rely on to function. For CISOs, understanding initial access entry paths is critical because every downstream impact...

Operational Technology cyber risk continues to be misunderstood, underestimated, or oversimplified at the CISO level. Many security leaders come from IT-first backgrounds where threats are measured by data loss, financial impact, or regulatory exposure. OT environments do not follow the same rules. They are built for availability, safety, and physical process continuity. When CISOs apply traditional IT security thinking to OT, blind spots emerge that attackers exploit. OT cyber incidents...

Critical infrastructure cybersecurity is no longer only about preventing financial loss. It is about protecting trust, continuity, and public confidence. In today’s threat landscape, disruption campaigns increasingly target critical services not because they hold the highest monetary value, but because they deliver the highest visibility. Attackers choose impact that people can feel, talk about, and fear. A delayed train, a water advisory, a hospital diversion, or a regional outage can...

Iran’s approach to cyber operations is not random, purely criminal, or limited to espionage. It is a doctrine shaped by asymmetric power projection, plausible deniability, and calibrated signaling during geopolitical escalation. For CISOs, the practical takeaway is simple: when tensions rise, your organization can become a pressure point even if you have no direct role in the conflict. Iran-aligned cyber activity frequently follows predictable strategic goals. It aims to impose...

Typosquatting is one of the oldest techniques in the threat actor playbook, yet it remains one of the most effective. Attackers exploit minor spelling mistakes, visual similarity, and human behavior to impersonate trusted brands, internal tools, and business partners. A single misplaced character in a domain name can be enough to redirect traffic, harvest credentials, deliver malware, or initiate a full-scale breach. Despite years of awareness training and improved email...

The cybersecurity industry has reached a breaking point. For years, organizations invested heavily in predictive security models that promised early warning, risk scoring, and prevention before impact. Those models were built on assumptions that no longer hold true. Attackers now move at machine speed. Exploits are weaponized within hours. Credentials are traded like commodities. Artificial intelligence accelerates every stage of the attack lifecycle. In this reality, prediction is too slow...