Operations | Monitoring | ITSM | DevOps | Cloud

Port failures don’t always take a service offline. A port stops accepting connections, times out intermittently, or gets blocked by a firewall change, while everything else looks healthy. When that happens, users feel the break long before uptime checks notice. This article reviews port monitoring tools from an operational point of view. It looks at how they detect closed or slow ports, how alerts behave in noisy environments, and where basic checks fall short during real incidents.

Windows Firewall is enabled by default, right? How sure are you? Even if you are 99.999% sure, this is how you have a possible vulnerability on your hands. There are numerous cases where someone disables Windows Firewall temporarily to troubleshoot a connectivity issue. The problem gets resolved. The firewall stays disabled—for months. Nobody notices until the security team investigates why sensitive data is suddenly appearing on dark web marketplaces.

SD-WAN with Megaport SDCI is now generally available. Here’s how you can use them to optimize your network’s middle mile. Building on our successful collaboration with Cisco Catalyst SD-WAN (formerly Viptela) and Cisco Secure Firewall Threat Defense Virtual, Megaport is thrilled to announce the general availability of our integration with Cisco Meraki.

The secret to hyperscaler success isn’t magic. Kentik Co-founder and CEO Avi Freedman explains how organizations can adopt the same operating principles and empower network teams to drive results that far exceeds their headcount.

A newly analyzed threat, Chrysalis, is a sophisticated backdoor attributed to the Chinese APT group Lotus Blossom. The malware employs advanced evasion techniques including heavy obfuscation, API hashing, dynamic DNS resolution, custom encryption and stealthy C2 communication disguised as legitimate traffic.

When your company’s help desk receives fifteen "my connection is slow" tickets from remote employees in a single morning. Your network monitoring dashboard shows everything green; VPN concentrators running smoothly, bandwidth usage normal, no alerts. Yet employees can't get their work done. You try to ping their home routers. Nothing. Attempt a traceroute to diagnose the path. It dies at the ISP edge. Check your SNMP queries. They never make it past the residential gateway.

Cybersecurity refers to the processes and technology used to protect information technology networks, data, people, servers, endpoint devices and other IT-related systems from cyberattacks. The need for this protection has never been greater. All organizations (in both private and public sectors) now exist in a threat landscape that allows attacks against their IT infrastructure.

Imagine pulling up to a gas pump, inserting your credit card, and having the display on the pump say “denied”. You call your credit card company, and they say, “Oh, we don’t know, maybe it’s the merchant’s fault, or the card reader is bad…, we can look into it and get back to you in a few weeks.” Most of us would be pretty upset with that response.