From a press release from Acunetix:
Businesses and non-commercial entities have much to consider when it comes to securing their web applications and the data they keep on customers and patrons. Acunetix, a leading vendor of web application security solutions, today revealed that on average 70% of websites are at serious and immediate risk of being hacked…
70% of the websites scanned were found to contain high or medium vulnerabilities. There is an extremely high probability of these vulnerabilities being discovered and manipulated by hackers to steal the sensitive data these organizations store.
You can read the rest of the details on the Acunetix web site.