Mark S. Merkow

Mark Merkow, an e-commerce and network security expert, writes a column for ecommerce.internet.com and is the coauthor of Building SET Applications for Secure Transactions.

Articles & Books From Mark S. Merkow

Virtual Private Networks For Dummies
Let’s face it: the information age makes dummies of us all at some point. One thing we can say for sure, though, about things related to the Internet is that their best strengths are often also their worst weaknesses. This goes for virtual private networks (VPNs). They may reach a wide base of customers – but can also be vulnerable to viruses, hackers, spoofers, and other shady online characters and entities.