TAC InfoSec Ltd. is engaged in the business of providing risk-based vulnerability management and assessment solutions. Its products include ESOF Appsec, ESOF VMP, ESOF VACA, ESOF PCI ASV, and ESOF CRQ. The firm also offers security software products and solutions internationally. The company was founded by Charanjit Singh on August 1, 2016 and is headquartered in Mumbai, India.