Cybersecurity is the practice of protecting systems, networks, devices, and data from digital attacks, unauthorized access, damage, or theft. It focuses on ensuring the confidentiality, integrity, and availability of information in digital environments.
In information technology, cybersecurity is essential for securing applications, preventing data breaches, and defending against malicious activities such as hacking, malware, and phishing. It is used by individuals, businesses, and governments to safeguard sensitive information and digital infrastructure.
For example:
- A bank uses encryption and security protocols to protect customer transactions.
- An e-commerce website secures user data and payment information from hackers.
- Companies use firewalls to block unauthorized access to internal networks.
- Antivirus software detects and removes malicious programs from computers.
Common technologies and concepts related to cybersecurity include:
- Firewalls
- Encryption
- Malware Protection
- Phishing Attacks
- Network Security
- Multi-Factor Authentication (MFA)
- Intrusion Detection Systems (IDS)
- VPN (Virtual Private Network)
- Ethical Hacking