iOS Security Patches
With the iOS 12.2 update, comes over 50 security patches. There were major vulnerability found in FaceTime, Mail and Messages just to know a few. It is highly recommended that you update your device ASAP to avoid becoming a victim of these vulnerabilities.
Apple used to be untouchable for viruses and malware. This just does not exist anymore. If you are interested, this is a list of the latest and active vulnerabilities.
Take caution and consider a reputable anti-virus solution for your devices.