In the ever-evolving world of cyber security, understanding key terminology is essential to protect your business and personal data. This comprehensive cyber security glossary provides clear and concise definitions of the most important terms, concepts, and threats in the digital security landscape. From ransomware and phishing to zero-day exploits and encryption, this guide is designed to help you stay informed and secure. Whether you're an IT professional, a business owner, or just someone looking to enhance your cyber security knowledge, this glossary is your essential resource for comprehensive cyber security awareness.
An email authentication protocol that allows domain owners to specify which mail servers are authorised to send emails on behalf of their domain. It helps prevent email spoofing and phishing.
Example: A company sets up an SPF record in its DNS to specify that only its official mail servers can send emails using its domain.
See also: DKIM (DomainKeys Identified Mail), DMARC (Domain-based Message Authentication, Reporting, and Conformance)