Network Security

 

Locking Down Your Digital World: Malware, Viruses, and Ping Attacks

In week 4, I learned why keeping systems secure is a must for everyone. Without strong defenses, personal data like passwords or company secrets can be stolen, costing millions. Information and system security protect our privacy and keep businesses running smoothly.

One sneaky attack uses ping commands: a ping flood, where attackers overwhelm a server with endless ping requests, slowing it down or crashing it in a denial-of-service (DoS) attack. It’s like clogging a highway with too many cars.

Malware and Ransomware: These programs sneak in through shady downloads or email links. Systems are vulnerable because outdated software leaves gaps for malware to exploit. Once inside, ransomware locks files, demanding payment (e.g., $1 million in losses reported in 2023), while other malware steals data. Symptoms include slow performance or pop-ups. Protections:

Install antivirus software like Norton to scan and remove threats.

Update systems regularly to patch vulnerabilities.

Computer Viruses: The can spread via infected files or USBs, viruses target weak security settings. They can corrupt files or crash systems, disrupting work. Signs include sluggish apps or random errors. Protections:

Use firewalls to block unauthorized access.

Train users to avoid suspicious files or links.

Solid security keeps your data safe and systems humming. What’s your go-to security tip?

References

TestOut Corp. (2024). CertMaster Learn Tech+. http://www.testout.com

Anderson, R. (2022). Security engineering. Wiley.

Verizon. (2023). Data breach investigations report. https://www.verizon.com/business/resources/reports/dbir/