What is Cyber Security?
Cyber security refers to the protection of computer systems, networks, and data from unauthorized access, use, disclosure, disruption, modification, or destruction. This includes protecting against cyber attacks, such as hacking, malware, and phishing, as well as ensuring the confidentiality, integrity, and availability of sensitive information. Cyber security measures may include the use of firewalls, encryption, intrusion detection and prevention systems, and regular security assessments and updates.
Types of Cyber Security?
- Network Security: Protecting networks and devices from unauthorized access and malicious attacks.
- Application Security: Securing the software and applications that run on a network or device.
- Endpoint Security: Protecting individual devices and users from malware and other cyber threats.
- Cloud Security: Securing data and applications stored in the cloud.
- Email Security: Protecting against email-borne threats such as phishing and spam.
- Identity and Access Management (IAM): Managing and controlling access to sensitive data and systems.
- Incident Response and Management: Preparing for and responding to cyber incidents.
- Compliance and Regulatory Compliance: Ensuring compliance with industry regulations and standards.
- IoT Security: Securing Internet of Things devices and networks.
- Blockchain Security: Securing decentralized networks and applications built on blockchain technology.
Why is important Cyber Security with examples?
Cybersecurity is important because it helps protect individuals, businesses, and governments from cyber attacks and data breaches. Cyber attacks can lead to the loss of personal information, financial loss, and damage to a company’s reputation.
Examples of the importance of cybersecurity include:
- Target data breach in 2013 – Hackers accessed the personal information of 40 million customers, including credit and debit card information. The incident resulted in a loss of millions of dollars for Target and damaged their reputation as a trusted retailer.
- Sony PlayStation Network hack in 2011 – Hackers accessed the personal information of 77 million users, including credit card information. The incident resulted in a loss of millions of dollars for Sony and damaged their reputation as a reliable provider of online gaming services.
- WannaCry ransomware attack in 2017 – Hackers used malware to encrypt files on thousands of computers, demanding payment in exchange for the decryption key. The incident resulted in a loss of millions of dollars for affected businesses and caused disruption to their operations.
These examples demonstrate the financial and reputational damage that can result from a cyber attack. Investing in cybersecurity measures can help protect against these types of incidents and minimize the potential impact.
Cyber Security Threats:
Phishing scams: This type of cyber attack involves the use of fake emails or websites that mimic legitimate businesses or organizations in order to trick individuals into providing sensitive information such as login credentials or financial information.
Malware: Malicious software, or malware, is designed to damage or disrupt computer systems and can take many forms, including viruses, trojans, and ransomware.
Denial of service (DoS) attacks: These attacks involve overwhelming a website or network with traffic in order to make it unavailable to users.
Advanced persistent threats (APT): APTs are long-term, targeted cyber attacks that are designed to steal sensitive information from specific organizations or individuals.
IoT vulnerabilities: The increasing number of internet-connected devices has created new vulnerabilities that can be exploited by hackers.
Social engineering: This type of cyber attack involves using psychological manipulation to trick individuals into providing sensitive information or performing certain actions.
Cloud security threats: As more organizations move their data and applications to the cloud, hackers are finding new ways to exploit cloud vulnerabilities.
Cryptojacking: Cryptojacking is the unauthorized use of someone else’s computer to mine cryptocurrency. It can slow down the affected computer and use a lot of power.
Insider threats: Insider threats refer to when an individual with authorized access to an organization’s systems or networks uses their access to steal sensitive information or disrupt operations.
Quantum computing: As quantum computing becomes more prevalent, it will have the potential to break current encryption methods, making it easier for hackers to access sensitive information.
Courses of Cybersecurity:
- Introduction to Cybersecurity
- Network Security
- Computer Forensics
- Cryptography
- Cybercrime Investigation
- Cybersecurity Risk Management
- Cybersecurity Governance
- Penetration Testing and Ethical Hacking
- Cybersecurity Law and Policy
- Cloud Security
- Internet of Things (IoT) Security
- Cybersecurity for Mobile Devices
- Advanced Persistent Threats (APT)
- Cybersecurity for Industrial Control Systems (ICS)
- Incident Response and Disaster Recovery.
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