Instead, users should use anti-virus and other security software to clean up their PC and deal with the virus.

BBC: Ransomware page

For its part, Microsoft has spent considerable time and energy tamping down security problems with its own products, from NT and other server software to its Internet Explorer browser.

CNN: Army Web site ditches NT for security reasons

He spent billions acquiring makers of security software, storage systems and other products, with an eye toward reinventing itself as a smaller International Business Machines Corp.

WSJ: Dell Nears $23 Billion Deal to Go Private

The trouble with this approach to the relatively slow interconnection of the processors, latency and lack of real-time security is that there are synchronization and communication challenges, software programming complexities and other issues that are exacerbated in a cloud computing environment.

FORBES: Moore's Law: Why It Matters Now More Than Ever

President Obama, the Federal Trade Commission, the National Security Agency and several other government agencies have all stressed the importance of software updates and their critical impact on the cybersecurity of consumer, business and government computer systems.

FORBES: ACLU Files FTC Case Against Wireless Carriers Over Not Updating Android Phones

Viruses, spam and all the other evil things that could happen via email are (hopefully) controlled by the security software running at the server level.

FORBES: Do You Really Need A BYOD Policy?

Cisco competes with other players like Juniper, Hewlett-Packard, Check Point Software Technologies and McAfee in the network security market.

FORBES: Network Security Is A Small But Growing Reason Cisco Runs At Least To $24

Besides its main operations, which provide billing and other software to mobile telecommunications companies, Comverse owns 57% of Verint Systems, which provides network security services.

FORBES: Magazine Article

There may not be any Mac viruses at the moment, and the way the system handles user accounts and security means that they are unlikely, but we need to take steps to safeguard ourselves against other malicious software.

BBC: Steve Jobs waits on stage, AP