■Outline
Apple Inc in U.S dealt with several security issues with "iOS 8.4.1", the latest version of iOS.

■Candidate
- iPad later than 2
- iPhone later than 4s
- iPod touch later than (The fifth generation)

■Measures
This issue will be solved by updating it to the latest version provided by developer or your OS vendor.

■References

Apple Inc.
About the security content of iOS 8.4.1

ITmedia
iOSやOS Xのアップデート公開、Appleが相当数の脆弱性を解決処