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Alerts, meet evidence.

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Detecting 5 Current APTs without heavy lifting

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Corelight Bright Ideas Blog

Tcp

Telegram Zeek, you’re my main notice

Notices in Zeek Zeek’s Notice Framework enables network operators to specify how potentially interesting network findings can be reported. This decoupling of detection and reporting highlights Zeek’s flexibility: a notice-worthy event in network A... Read more »

Introducing the Cloud Sensor for GCP

Visibility is paramount in securing your cloud environment – as the adage goes, you cannot protect what you do not see. However, comprehensive visibility in an IaaS (infrastructure as a service) environment is elusive – you need to make sure that... Read more »

Who’s your fridge talking to at night?

I love origin stories – the tales of grand plans, unforeseen circumstances, and necessity that creates something new. These strange times have resulted in something new from Corelight, and I’d like to share how it came to be. Read more »

Small, fast and easy. Pick any three.

Zeek has been the darling of security defenders looking to get deep visibility into network traffic. Over the last two decades, Zeek has become a household name – widely used by enterprise organizations, educational institutions and government... Read more »

Community detection: CVE-2020-16898

This month’s Microsoft Patch Tuesday included a severe Remote Code Execution vulnerability in the way that Windows TCP/IP handles IPv6 “Router Advertisement” ICMP messages. Due to the severity and wide scope, we in Corelight Labs immediately set... Read more »

Community ID support for Wireshark

The past few weeks have seen several developments around Community ID, our open standard for rendering network traffic flow tuples into a concise textual representation. I’d like to summarize them in this blog post. Read more »

Mixed VLAN tags and BPF syntax

This post contains a warning and a solution for anyone using BPF syntax when filtering traffic for network security monitoring.  Read more »

Analyzing encrypted RDP connections

Microsoft’s Remote Desktop Protocol (RDP) is used to remotely administer systems within Windows environments. RDP is everywhere Windows is and is useful for conducting remote work. Just like every other remote administration tool, RDP can be used... Read more »

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