Using storage area networks or SAN for virtualization and dynamic allocation of system resources can lower the total cost of ownership of disk and improve flexibility for backups and more. Here’s how.

A denial-of-service attack is any attempt to interrupt or inflict downtime upon IT systems, but a basic DoS threat is smaller in scale than its DDoS counterpart. With the former, the influx of traffic may come from a single source, while in a DDoS attack, traffic comes from numerous sources – making it more difficult to deal with.

During an audit a few years ago, I revealed to the client’s security team that corporate payroll information on every employee, including the CEO, was being archived in an output queue (called PAYROLL) for weeks at a time. Due to poor configuration, this information was accessible to every employee.