Question

Malicious attacks can be random or directed. Explain in details ?with an examples

Answer 1

Malicious Attacks :  A attack used to gain access of someone's else device without their knowledge .

i) It is used to get person's information , damage the device , or for some other financial gains.

ii) This attack occurs by installing malicious softwares (Viruses , Spyware, Ransomware and Trojan Horses ) on person's device.

iii) Most popular such attacks are by Ransomwar attack.

These attacks could be direct and random , when someone already aware of you and interesting in stealing some useful information then this attack would be direct .

Indirect Ways :

Malicious Websites : On visiting such websites a drive-by-download runs and gets downloaded into person's device which can exploits security hole.

Malvertising : Hackers purchase legitimate advertising space on legitimate websites and malicious code is embedded with in the ad . If anyone click over that ad either knowingly or by mistake malicious code get downloaded and create security thearts.

Man - In -The Middle :This is due to unsecured , poorly secured public Wifi- Router . The cyber criminals scan the router using special code looking for certain weakness such as default or poor password use . Then attacker can keep an eye over website user visits and intercept the message or information transmitted between the two such as passwords or payment card data.

Social Engineering malware attack : It uses spam phising via email , instant messages ,social media and so on by using human emotions (like dating sites link ,donation links etc) . The goal is to convinced the user to click over that link that host the malware.

These attacks could be prevented by taking safety measure as follows:

1.keep your software updated.

2.Back your file regularly

3.Scan excecutable file before running.

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