My company blocks the Skype Web site because it would open some of our company’s ports and giving hackers the chance to break in. According to this article, VoIP is a threat to wireless security. There’s a price to pay for using a free product. It’s possible to get secure VoIP, but it means subscribing to a service from a phone company and paying a monthly fee just as you would for your other phone services.

Security standards for mobile computing and telephony have recently improved, analyst group Gartner claimed on Monday, but while service providers have strengthened the security of mobile internet and email connections, customers are going to have to pay extra for it.

Jones said that a variety of advances in areas such as encryption and virtual private networks — and better management strategies — were helping businesses secure their networks more effectively.