Assessing SIEM effectiveness

A SIEM is a complex system offering broad and flexible threat detection capabilities. Due to its complexity, its effectiveness heavily depends on how it is configured and what data sources are connected to it. A one-time SIEM setup during implementation is not enough: both the organization's...

Developing and prioritizing a detection engineering backlog based on MITRE ATT&CK

Detection is a traditional type of cybersecurity control, along with blocking, adjustment, administrative and other controls. Whereas before 2015 teams asked themselves what it was that they were supposed to detect, as MITRE ATT&CK evolved, SOCs were presented with practically unlimited space for...

systemd security update

239-82.0.1 - Fixed deletion issue for symlink when device is opened Orabug: 36228608 - Fix local-fs and remote-fs targets during system boot replaces old Orabug: 25897792 Orabug: 35871376 - 1A Add 'systemd-fstab-generator-reload-targets.service' file Orabug: 35871376 - 1B Add required rpms for...

[TagAwareCipher] - Decryption Failure (Regex Match)

Impact Vulnerability in SecureProps involves a regex failing to detect tags during decryption of encrypted data. This occurs when the encrypted data has been encoded with NullEncoder and passed to TagAwareCipher, and contains special characters such as \n. As a result, the decryption process is...

cloud-init security, bug fix, and enhancement update

23.1.1-11.0.2 - Fix Oracle Datasource network and getdata methods for OCI OL Orabug: 35950168 23.1.1-11.0.1 - Increase retry value and add timeout for OCI Orabug: 35329883 - Fix log file permission Orabug: 35302969 - Update detection logic for OL distros in config template Orabug: 34845400 - Adde...

Ripple20 Critical Vulnerabilities – Detection Logic and Signatures

ARCHIVED STORY Ripple20 Critical Vulnerabilities – Detection Logic and Signatures By Steve Povolny · August 05, 2020 This document has been prepared by McAfee Advanced Threat Research in collaboration with JSOF who discovered and responsibly disclosed the vulnerabilities. It is intended to serve ...

Ripple20 Critical Vulnerabilities – Detection Logic and Signatures

ARCHIVED STORY Ripple20 Critical Vulnerabilities – Detection Logic and Signatures By Steve Povolny · August 05, 2020 This document has been prepared by McAfee Advanced Threat Research in collaboration with JSOF who discovered and responsibly disclosed the vulnerabilities. It is intended to serve ...

Top 3 Tech Challenges RASP/(ng)WAF Vendors Are Faced With

Here I’d like to share my experience and pain in building L7 data protection solutions which are frequently called WAF/ngWAFs or RASPs. I started to build it back in 2009 from a simple detection logic based on self-adopted heuristics for a CTF competition and then build an entire company on machi...

[musl] Security advisory for musl libc - remote stack-based buffer overflow in DNS response parsing [CVE-2014-3484]

A remote stack-based buffer overflow has been found in musl libc's dns response parsing code. The overflow can be triggered in programs linked against musl libc and making dns queries via one of the standard interfaces getaddrinfo, getnameinfo, gethostbyname, gethostbyaddr, etc. if one of the...

Microsoft Re-Releases Security Bulletin MS10-015

Microsoft has re-released the security update described in Microsoft Security Bulletin MS10-015. This release contains an updated installation package that does not allow the security update to be installed on computers infected with malicious code. Microsoft has also released a Fix-It Tool to...

Microsoft Search Enhancement Pack Detectoid

The Microsoft Search Enhancement Pack Detectoid contains the detection logic for the feature Microsoft Search Enhancement Pack...