Small to mid-sized businesses can keep safe from most cyber attacks by protecting the ports that threat actors target the most. Three of them stand out in a crowd of more than 130,000 targeted in ...

Data packets travel to and from numbered network ports associated with particular IP addresses and endpoints, using the TCP or UDP transport layer protocols. All ports are potentially at risk of ...

When dealing with computer security, you should assume that hackers will be trying to get in through any available doors your system may have, no matter how many precautions you might have taken. The ...

When working with Linux, understanding how TCP ports behave is an important technical skill. TCP ports control how applications communicate over a network and determine which services are accessible ...

Nearly everyone uses FTP for one reason or another. The problem is, FTP is a messy protocol that needs a lot of help to secure it. Let Thomas Shinder enlighten you. The File Transfer Protocol (FTP) is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This month, we shift our focus to an important security issue. We will combine some information ...

A significant increase this weekend in TCP traffic with source port zero detected could be part of reconnaissance efforts in preparation for more serious attacks, according to security researchers ...

A clever anti-malware gateway can achieve zero latency by using a span/tap port to inspect Internet traffic for malware and malware references (in contrast to inline inspection). A clever antimalware ...

Knowing what services are running on your systems, and being able to identify if and when any of those services change, is the first step in securing your netwsork. Many tools can accomplish this, but ...

Many organizations that use Remote Desktop Services or Terminal Services are not using a VPN connection before allowing connections to their in-house servers or workstations. If no VPN is required, ...