Cyber Security - Computer security, digital security or information technology security (IT security) is the protection of computer systems and networks from attack by malicious actors that may result in unauthorized information disclosure, theft of, or damage to hardware, software, or data, as well as from the disruption or misdirection of the services they provide. The field is significant due to the expanded reliance on computer systems, the Internet, and wireless network standards such as Bluetooth and Wi-Fi. Also, due to the growth of smart devices, including smartphones, televisions, and the various devices that constitute the Internet of things (IoT). Cybersecurity is one of the most significant challenges of the contemporary world, due to both the complexity of information systems and the societies they support. Security is of especially high importance for systems that govern large-scale systems with far-reaching physical effects, such as power distribution, elections, and finance. With just one click, you can shop online, you make online money transfer, like a post on social media and so much more. As convenient and exciting as it sounds, have you ever wonder how unsafe it could be to live in this digital era? How unsafe it could be to live in this digital era? Is our data well protected? Well... No! To help us tackle this issue we have Cyber Security to our rescue in this digital era. Cyber Security is the art of protecting networks and devices from an unauthorized access. An unauthorized access will refer to a small or big Cyber attacks or Cyber threats. There are various types of Cyber attacks: 1. Phishing Attack. 2. Malware Attack. 3. Man-in-the-middle Attack. 4. Advanced Persistent Threat - APT. 5. Denial of Service Attack - DOS Attack. 6. DDOS Attack - Distributed Denial of Service Attack. 7. Password Attack. 8. Database Attack - SQL Injection Attack and many more. A few ways to implement Cyber Security are: 1. Defining Clear Boundaries. 2. Using Network Security Control Devices i.e. Firewall and IDS. 3. Carrying Out Security Vulnerability Test. 4. Installing SSL - HTTPS. At any point in time, the CIA which is the Confidentiality, Integrity and Availability must be implemented in an organisation to ensure that their information is secure. CIA C - Confidentiality I - Integrity A - Availability There is great demand for Cyber Security experts like: 1. Ethical Hackers. 2. Cyber Security Experts. 3. CISOs - Chief Information Security Officer and many more Cyber Security expert. These Cyber Security experts can implement cyber security and safe-guard an organisational standard. So, what are you waiting for? Begin your cyber security career!