What is the ISO27x series of standards?

Question A

What is the ISO27x series of standards? Select 3 of the standards and detail with pros/cons and overall effectiveness in today’s computing environment.

Question B

Each week, research a unique news story or article related to Information Technology. Post a summary of what you learned to the discussion thread, please also provide a link to the original article. Source is your choice; however please fully cite your source.