Although ios devices come with a highly protected security system, rarely, they do get affected by viruses. Antivirus keeps you safe from the attacks of threats and viruses. It also helps the devices to consume less memory and prevents battery drainage. It protects your privacy. A few Antivirus App for iPhone are given below.
Lookout mobile security has the best mobile security and anti-theft features for your iphone 5.
Jailbreaking is not recommended since it may allow installation of apps which are infectious from apple store. These iphone devices are easily attacked by malware.