How Can We Protect Against More Cyber Attacks?

The video discusses the impact of cybersecurity threats, focusing on ransomware attacks. It highlights how hackers embed viruses in emails and documents, and the lucrative market for ransomware on the dark web. The National Cybersecurity Center offers prevention strategies, such as controlling system access and maintaining backups. A cyber negotiator suggests that some attacks may not be financially motivated but aim for notoriety and chaos.

Describe the characteristics of a ransomware attack as mentioned in the text.

What should be done once a virus is in the system according to the text?