Presentation about security i.t.
- 1. SECURITY I.T. Made by: Hugo Barrionuevo and Mariana Gil. SECURITY I.T.
- 2. Index Slide 1: Computer security. Slide 2: Active and passive security. Slides 3,4 & 5: Malware and silent threats. Slide 6 & 7: Computer security software. Slide 8: Web Security. Slide 9: News related to cybersecurity or computer attacks.
- 3. Computer security Set of actions, tools and devices. Its objective is to provide a computer system with integrity, confidentiality and availability. Protect us from: β Ourselves β Accidents and breakdowns β Intrusive users β Malicious software and malware
- 4. Some active security techniques are: -Use an adequate password. -Encrypt your data. -Use a security I.T. software. Active and passive security Some passive security techniques are: -Use an adequate hardware. -Back up your data.
- 5. Malware and silent threats Virus: program in the PC without the userβs knowledge. Worms: infects all nodes on a computer network. Accompany malicious emails. Spies: programme installed in the computer without user's knowledge. Trojans: small application that has an input to our computer.
- 6. There are two types of Fraud by social engineering. -Phishing: Consists of asking for conο¬dential information persuading people with money or other stuff. -Rogue software: Itβs a fake antivirus system that contains a virus. Malware and silent threats Some applications alter the way we access internet. They make us navigate through fake websites and use telephone billing. The different applications are: -Dialer: Makes calls that give economic beneο¬ts to the creator of the modem and makes the user lose money. This can be avoid using an ADSL router. -Pharming: Impersonates the web pages to get bank data. -Hijacking: Consists of hijacking any computer element.
- 7. Malware and silent threats Spam: bulk email marketing Keylogger: record every keystroke made by a user. Obtaining sensitive information (passwords, bank data, etc) New mobile devices: appearance of new mobile devices makes malware grow up.
- 8. Computer security hardware Antivirus: detects malicious software, stops it from running, and removes it. Compares the scanned ο¬les on the computer with their own signatures. Heuristic systems: analyzes the internal code of the ο¬le and determines if it is a virus. Levels: resident level or complete analisis level. Firewall: allows or prohibits communication between the applications of our team and the Network through the protocol TCP/IP. Antispyware: collects information about our browsing habits and the ability to hijack our browser home page by hijacking it by sending us to another page.
- 9. Computer security hardware There are different security hardwares. The most recommendable Antivirus are: For Windows: Avast and McAfee. For Android: Avast Mobile. For Apple: Sophos.
- 10. Web security Advices for a safer navigation: - Avoid suspicious web pages (http). - Download from an ofο¬cial website. - Update antivirus. - Donβt click links from unknowns. - Donβt put personal information. - Inform about a product before buying. - Be careful with .exe ο¬les. - Use strong passwords. - Read terms and services. Advices for a safer smartphone: - Use a strong password. - Update the system. - Install security programs. - Donβt install unknown applications. - Deactivate Bluetooth if itβs not in use. - Avoid rooting. - Avoid talking with unknowns.
- 11. News related to cybersecurity or computer attacks. β The cyber attacks of 2021 and those that will arrive in 2022 β 79% of Spaniards believe they are tracked by cybercriminals β The UOC suffers a cyber attack that blocks its virtual campus β Theft of more than 34 million dollars in Bitcoin and Ethereum occurs β Ukraine denounces a large-scale cyber attack against the government's computer system β Drones, another option that cybercriminals use to steal information β The next-gen of cybercriminals starts from an early age
- 12. SECURITY I.T. Made by: Hugo Barrionuevo and Mariana Gil. SECURITY I.T.