Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Phishing remains one of the most widespread and damaging cyber threats facing organizations today. Attackers craft deceptive messages designed to trick users into revealing credentials, financial information, or installing malware. To make matters worse, the tactics continue to evolve. Originating in the mid‑1990s, phishing has grown into a sophisticated weapon. Modern attackers now use AI, social media intelligence, and high‑quality impersonation techniques to create convincing campaigns that are harder than ever to detect.

Cybersecurity isn’t only about defending against external attackers. Some of the most damaging risks come from within an organization. These are known as insider threats. An insider threat occurs when someone with authorized access—whether intentionally malicious or simply negligent—compromises systems, exposes data, or undermines security controls. This can result in data breaches, financial loss, regulatory issues, and long‑term reputational damage.

In this conversation, Ryan Cribelar, R&D Engineer at Nucleus Security, breaks down why internet exposure is one of the most important layers of context in vulnerability and exposure management. Security teams are flooded with vulnerability data, but not every finding carries the same level of risk. As Ryan explains, whether a vulnerability is reachable from the internet can dramatically change how urgent it really is. Internet exposure shortens the path from discovery to exploitation and often determines whether a vulnerability is theoretical or immediately actionable.

Nucleus Security's Adam Dudley talks about the platform's place in a highly functioning CTEM approach during a joint webinar with Cycode and HackerOne.