Security Aspects

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Malware stands for MALicious softWARE. It is any software developed with an intention to damage hardware devices, steal data, or cause any other trouble to the user. Examples include viruses, worms, r

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Virus: Needs a host program to insert its code into and requires human triggering for replication (when user opens/executes infected file). Worm: Standalone program that works independently, replicate

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Ransomware is malware that blocks user access to their data or threatens to publish personal data online, demanding ransom payment. WannaCry (May 2017) infected 200,000 computers across 150 countries

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Named after the ancient Greek wooden horse used to infiltrate Troy. A Trojan looks like legitimate software but once installed, acts like a virus or worm. Unlike viruses/worms, it doesn't self-replica

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Spyware is malware that secretly gathers information about a person or organization without user knowledge. It typically tracks: internet usage data, credit card/bank account information, login creden

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On-screen keyboard: Uses fixed QWERTY layout, can be exploited by sophisticated keylogger software. Online virtual keyboard: Randomizes key layout every time it's used, making it very difficult for ke

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1. Downloaded from Internet (disguised as free software), 2. Spam email (malicious links or attachments), 3. Removable storage devices (pen drives, SD cards infected with replicating malware), 4. Netw

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1. Frequent pop-up windows prompting downloads, 2. Changes to browser's default homepage, 3. Mass emails sent from your account, 4. Unusually slow computer with frequent crashes, 5. Unknown programs s