Firstly, it's important because it ensures the protection of the data of the company that implements it against unauthorized access, leakage, accidental or malicious modification or deletion. Data is a valuable asset for companies, whether it's confidential information, customer data or financial data. A breach of security can result in financial loss, loss of privacy and damage to reputation.
Network security is all the more important because it ensures the confidentiality of the company's customer-related information (personal and financial). In fact, it reinforces customer trust, fosters loyalty and can give a competitive edge.
Note that many industries are subject to strict data protection and privacy regulations. compliance with legal and regulatory standards is essential to avoid sanctions, fines or legal disputes. IT security therefore enables companies to comply with requirements and guarantee the integrity of its data.
Finally, IT security includes data backup and recovery measures as well as business continuity plans. This enables the company to minimize downtime and guarantee the availability of essential services. The risks of business interruptions are therefore more limited.