Abnormal Security vs Vectra AI

By valuation, Abnormal Security is the larger company at $5.1B versus $1.4B — a 3.6x difference. Size can also be measured by team: Abnormal Security employs 650 people while Vectra AI has 650 employees.

Abnormal Security has raised more in total funding at $546M, compared to Vectra AI's $425M — a gap of $121M. Combined, the two companies have completed 9 known funding rounds.

Abnormal Security leads with an Awaira Score of 80/100, while Vectra AI sits at 66/100. That 14-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.

Abnormal Security was founded by Evan Reiser in 2018. Vectra AI was founded by Hitesh Sheth in 2012. Visit each company's profile on Awaira for a full founder biography.

Abnormal Security: Abnormal Security is an AI-focused cybersecurity company founded in 2018 that specializes in email and cloud security. The company develops AI-powered threat detection systems designed to identify and prevent advanced email attacks, including phishing, business email compromise (BEC), and account takeover attempts. Its core platform uses behavioral AI and machine learning to analyze communication patterns and detect anomalies that traditional security tools miss. The company's technology focuses on cloud email environments, particularly Microsoft 365 and Google Workspace, where it monitors user behavior, message content, and sender patterns in real-time. Abnormal Security has achieved a valuation of $5.1 billion following Series D funding, with total funding of $546 million. The company operates in a competitive landscape alongside established vendors like Proofpoint, Mimecast, and Cisco, as well as emerging AI security startups. Its positioning emphasizes reducing security alert fatigue through AI accuracy while preventing targeted attacks that evade traditional signature-based detection. The company has secured enterprise customers across various industries, though specific customer names are not widely disclosed. Growth trajectory indicates strong market demand for AI-driven email security solutions as organizations face increasingly sophisticated social engineering attacks. Abnormal Security represents the broader shift toward behavioral AI in enterprise security infrastructure. Abnormal Security applies behavioral AI specifically to email security, addressing a historically high-friction attack vector that traditional tools struggle to defend against effectively. Vectra AI: Vectra AI is a cybersecurity company founded in 2012 that specializes in AI-driven threat detection and response. The company develops network detection and response (NDR) and cloud detection and response (CDR) platforms designed to identify and investigate cyberattacks in real-time. Its core technology uses machine learning algorithms to analyze network traffic and cloud activity, distinguishing between normal behavior and malicious threats without relying solely on signature-based detection. Vectra's primary products include Cognito for network security and Cognito for cloud environments. These platforms provide threat hunting, incident investigation, and threat prioritization capabilities. The company serves enterprise customers across various sectors, including financial services, healthcare, and critical infrastructure. With a valuation of $1.2 billion and total funding of $425 million across Series F and earlier rounds, Vectra operates in the competitive AI security market alongside companies like CrowdStrike and Palo Alto Networks. The company has established itself in the detection and response segment rather than prevention-focused solutions. Vectra competes on its behavioral analytics approach and cloud-native capabilities. The company has demonstrated steady growth within the cybersecurity industry, driven by increasing demand for advanced threat detection and the shift toward cloud infrastructure. Its positioning reflects broader industry trends toward AI-augmented security operations. Vectra pioneered the network detection and response category by applying AI-driven behavioral analytics to identify advanced threats that signature-based tools miss.

Vectra AI got there first, launching in 2012 — that's 6 years of extra runway. Abnormal Security didn't arrive until 2018. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.

Both Abnormal Security and Vectra AI report about 650 employees. Team size is a rough proxy for scale, but lean AI companies routinely punch above their headcount.

Yes — they're direct rivals. Both Abnormal Security and Vectra AI compete in AI Security, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.