My IT notes
What is cyber security ?
Cybersecurity refers to the practice of protecting computer systems, networks, and data from unauthorized access, use, disclosure, disruption, modification, or destruction. This includes the technologies, processes, and practices that are designed to protect against cyber attacks, data breaches, and other cyber threats. Cybersecurity also includes protecting personal and sensitive information from unauthorized access or theft, as well as the protection of critical infrastructure and financial transactions. It’s a multidisciplinary field that encompasses technical, organizational and legal and policy aspects. The goal of cybersecurity is to ensure the confidentiality, integrity, and availability of information and systems, which are often referred to as the CIA triad of security.
SPF, DKIM, and DMARC are three email authentication technologies that help to protect against email spoofing and phishing attacks. SPF records are stored in the Domain Name System (DNS) and contain a list of IP addresses that are authorized to send email on behalf of a domain. When a mail server receives an email message, … Read more
Computer worms are malicious software that attack computer systems. Worms can be thought of as a type of virus that can copy themselves and spread rapidly across computer networks. Because worms can spread over the internet, they can infect many computers at once. Therefore, worms use computer networks to spread and often infect users’ computers … Read more
There are several methods that can be used to block malware: These methods may not be sufficient on their own, but when combined they can provide significant protection for your system. Additionally, it is important to continuously monitor your network and system for updates and patches to help prevent malware from entering your system.
Network security domains refer to the different areas or components of a computer network that need to be protected from unauthorized access or attack. These domains may include:
The Three key components of cybersecurity are: These three components, often referred to as the CIA triad, are the foundation of cybersecurity and are essential for protecting sensitive information, systems, and networks from cyber threats. Maintaining confidentiality, integrity, and availability is critical to ensure the protection of sensitive information, systems, and networks from cyber threats … Read more