Above statistic I quoted said about 0.5% of made it through. So yes...on "several occasions" I'm sure, never doubted that.
On several occasions people have crossed the road and gotten hit by a car...but that doesn't stop me, I'm capable of using my head, watching, looking, listening..basically using caution before crossing the road.
I guess my point was...I'm careful what I install. I'm not like a 6 year old kid that downloads/installs any old game/app he finds each and every day, eventually they'll land on something bad. I rarely install apps on my phone...and the small amount of ones on my phone, are well known trusted ones.
Not to mention..when you install an app...do you give it access to everything? Or carefully select what it can? Lets think about this one for a minute....how many of us IT guys preach to our clients "don't go nilly willy installing those apps and allow all those toolbars and other add-on programs to install". How many times do we laugh out loud at the end users that have a half dozen toolbars installed in their browser and other junkware, from hurriedly clicking through the "next..next...next" install processes of freeware? So these IT guys are admitting their incapable of doing that themselves on their own phones? Hmmmm....
I don't consider this at all like some computer end user saying "Ah I don't need antivirus" like someone else mentioned in this thread either. Anyone experienced in IT and current malware trends knows that the greater percentage of todays malware spread on the web is done through things we cannot control...advertising banners and various websites that got compromised by scripts that exploit oudated java/flash/pdfs, outdated browsers, etc. Talk about an apples to oranges comparison...LOL.
I'm sure the day will get here when a 3rd party security app is needed for smart phones...it's already happened to Apple Mac users, it's already happened for *nix users. It'll happen for phone users. But the day isn't there yet for me....the increase in battery life is well worth the very very slight risk for me.