Is it safe?

[Shotakobaxidze]

I have iPhone 4s still working on ios 7.1.2 ( I am not going to update it as it is working great). Is it possible to get malware, or get slowed down my phone after visiting untrusted sites, full of viruses in this situation when i have no the ios system up-to-date?

 

[Applejuiced]

You're safe.
No such thing as malware or viruses exist currently for stock ios.