Safety in Cyberspace Technical Aspect of Cyber

Transcript:Safety in Cyberspace Technical Aspect of Cyber:
Safety in Cyberspace Technical Aspect of Cyber Safety What is a cyberspace? In simpler terms: Cyberspace is the "online world" where digital activities happen over a network. Cyberspace refers to the virtual environment created by interconnected digital networks where information is stored, shared, and communicated. It includes: The internet (websites, emails, social media) Computer systems and networks (both public and private) All digital communications (like messaging apps, cloud storage, etc.) What do we do in cyberspace? Communication : Sending emails, Messaging, Video calls and online meetings Social Interaction Using social media, Sharing photos, videos, and updates, Participating in forums and chat groups Information Access: Browsing websites, Reading news and blogs, Researching using search engines Online Transactions : Internet banking, Shopping on e-commerce platforms, Paying bills and booking tickets Entertainment : Streaming videos (YouTube, Netflix), Listening to music, Playing online games Work and Learning : Remote working, Online classes, e-learning platforms, Accessing cloud-based tools like Google Drive Data Sharing and Storage: Uploading and downloading files, Using cloud storage Cybersecurity Activities: Protecting data with antivirus and firewalls, Using passwords and encryption, Monitoring systems for threats Threats in Cyberspace Cybersecurity Threats : Hacking, Malware, Phishing Privacy Risks: Data breaches, Tracking and surveillance Financial Risks: Online fraud, Identity theft, Scams like fake schemes, investment fraud, or lottery scams online. Psychological and Social Risks: Cyberbullying, Addiction, Misinformation Technical Risks: System crashes or data loss due to poorly protected systems, Software vulnerabilities that can be exploited by attackers, Unpatched devices left open to attack. Phishing Attacks Description: Deceptive emails, messages, or websites that trick users into providing sensitive information (e.g., login credentials, credit card numbers). Variants: Spear phishing, whaling, vishing, smishing. Malware Description: Malicious software designed to damage, disrupt, or gain unauthorized access to systems. Examples: Viruses, worms, trojans, ransomware, spyware, adware. Ransomware Description: A type of malware that encrypts files and demands payment for the decryption key. Impact: Loss of access to critical data; often targets hospitals, schools, and businesses. Denial-of-Service (DoS) Attacks Description: Overloading a system, server, or network with traffic to render it unavailable to users. Targets: Websites, online services, infrastructure. Password Attacks Description: Attempts to obtain or guess passwords. Techniques: Brute force, dictionary attacks, credential stuffing, keylogging. Insider Threats Description: Security risks originating from within the organization—employees, contractors, or partners. Types: Malicious insiders, negligent insiders. How to know if our security is compromised? Unusual Device Activity Device getting heated-up Slow Performance Account