TAC Infosec Ltd (NSE: TAC) is a Mohali, Punjab-based company in the Security Software industry. With a market capitalisation of ₹781 Cr, it ranks #1,736 by market cap among the 6,137 Indian listed companies on FinBizNet, and #2 of 8 in Security Software. At ₹365.40 (as of 25 Oct 2026), the share price is 58.0% below its 52-week high of ₹869.90 and 8.7% above its 52-week low of ₹336.00. The share price is down 53.0% over one year and down 37.9% over three months.
| Current Price | ₹365.40 |
|---|---|
| Market Cap | ₹781 Cr |
| NSE Symbol | TAC |
| Sector | Information Technology > Software and Services > Software |
| Sub-Industry | Systems Software > Security Software |
| P/E Ratio | 34.3 |
| Return on Equity | 36.34% |
| Return on Assets | 19.88% |
| 52-Week Range | ₹336.00 – ₹869.90 |
| 1-Year Price Change | -53.0% |
| 3-Month Price Change | -37.9% |
| Beta (1Y) | -0.41 |
| Headquarters | Mohali, Punjab |
| Website | tacsecurity.com |
| Revenue | ₹20 Cr |
|---|---|
| Net Profit | ₹8 Cr |
| Net Margin | 39.4% |
| EPS (Basic) | ₹3.73 |
| Basis | consolidated |
Figures in ₹ crore, parsed from the company's exchange filing (XBRL).
TAC Infosec Limited provides vulnerability assessment and assessment solutions, cybersecurity quantification, and services of penetration testing to organizations in India and internationally. The company’s flagship software product is enterprise security in one framework (ESOF), used for cyber scoring, cyber risk quantification, and leveraging advanced AI for vulnerability assessment, and penetration testing. It also offers ESOF Appsec, an unified vulnerability management solution to detect and protect web and app assets; ESOF VMP, a vulnerability management platform that provides risk-based solutions -proactively and through predictive analysis; ESOF VACA (vulnerability assessment configuration assessment) platform for vulnerability and configuration assessments; ESOF PCI ASV, a comprehensive and integrated solution to ensure compliance with payment card industry requirements; ESOF CASA, a cloud application security assessment; and ESOF MASA, a mobile application security assessment.
1. Retail (Including Mobile)-This segment provides security software solutions. 2. Enterprises & Government-This segment provides security software solutions. 3. Unallocated Dealer Incentive-0 4. Segment Adjustment-0
1. Security Software & Services-100%
| Company | Market Cap | P/E | ROE | Latest Qtr Revenue | 1Y Change |
|---|---|---|---|---|---|
| Quick Heal Technologies Ltd | ₹807 Cr | -76.5 | -2.49% | ₹45 Cr | -60.2% |
| TAC Infosec Ltd | ₹781 Cr | 34.3 | 36.34% | ₹20 Cr | -53.0% |
| TechD CyberSecurity Ltd | ₹378 Cr | 23.1 | 29.91% | — | — |
| KratiKal Tech Limited | ₹173 Cr | 19.3 | — | — | — |
| AAA Technologies Ltd | ₹145 Cr | 69.4 | 6.67% | ₹4 Cr | +17.7% |
| Accedere Ltd | ₹19 Cr | 28.5 | 14.11% | — | -39.2% |
| GlobeSecure Technologies Limited (GSTL) | ₹17 Cr | -62.9 | — | — | +30.4% |
| ACS Technologies Limited | ₹0 Cr | — | — | — | — |
Listed by market capitalisation. Ratios are shown for context only.
TAC Infosec Ltd is trading at ₹365.40, with a market capitalisation of ₹781 Cr.
TAC Infosec Ltd operates in the Information Technology > Software and Services > Software space (Systems Software > Security Software).
TAC Infosec Ltd has a P/E of 34.3 and a return on equity of 36.34%.
TAC Infosec Ltd is listed on the NSE under the symbol TAC.
TAC Infosec Ltd's share price is down 53.0% over one year and down 37.9% over three months. Its 52-week range is ₹336.00 to ₹869.90.
In Q1 FY27, TAC Infosec Ltd reported revenue of ₹20 Cr and net profit of ₹8 Cr, with basic EPS of ₹3.73 (consolidated, parsed from the company's exchange filing).
Data as of 25 Oct 2026. Descriptive market data only — not investment advice.