https://npcert.org/tips-alert/security-tip-st18-004/https://npcert.org/tips-alert/what-is-malicious-code/https://npcert.org/tips-alert/security-tip-st16-001/https://npcert.org/tips-alert/handling-destructive-malware/https://npcert.org/tips-alert/dealing-with-cyberbullies/