By Sean Mitchell
Publication Date: 2026-05-22 06:48:00
TAC Security added Anthropic, Perplexity AI, Replit, Odoo and Litera as clients for its ESOF AppSec service in April, expanding its roster in the AI and technology sector.
The organisations signed up for application security assessment work under the ESOF AppSec offering, which reviews software security posture and identifies vulnerabilities.
The client wins place TAC Security alongside a group of fast-growing software and AI businesses at a time of increasing scrutiny of software security across the sector. Companies developing AI products and large software platforms face growing pressure to show that their systems have been independently assessed as their products become more widely used.
AppSec demand
Application security testing has become more prominent as AI companies release products faster and operate increasingly complex software environments. That has increased demand for third-party reviews of code, systems and development processes, particularly when customers, business partners and regulators want evidence of external checks.
Based in New Delhi, TAC Security focuses on vulnerability management and application security. Its ESOF AppSec service is designed to help organisations assess weaknesses in applications, support compliance work and provide external validation of security controls.
The latest client additions span different software profiles. Anthropic and Perplexity AI are among the better-known names in generative AI, while Replit…