Live Webinar: Remote Collections Made Easy

More employees than ever are adopting remote work using a variety of company and personal devices, so it’s critical for your organization to have a fully functional enterprise collections strategy that specializes in human-generated data from remote devices. Security, investigative, privacy, legal, and human resources teams are asking for specific, targeted information to meet their needs.Effective remote collections require the ability to pursue and collect information and files located anywhere, at any time. File system preview helps too, for targeting information, as does pre-filtering by keyword, document type, custodian, and timeframe; these features ensure that you collect only what you need for processing, investigation, analysis, and production.

Join this demo-focused webinar presented by Nuix subject matter experts, and take a closer look at powering full-service collections capabilities, from Nuix. You’ll see how Nuix collections technology can conduct real-time and remote employee collections, scale to any size or location, and collect from multiple operating systems– all with a clear, intuitive interface.

Time and Date: Tuesday, May 5 | 1:00PM EDT | 30 min + Q&A
Presenters: Alex Chatzistamatis and Jaime Florence
Link to webinar: https://www.brighttalk.com/webcast/13207/401018

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File timestamps are used by forensics practitioners as a fundamental artifact. For example, the creation of user files can show traces of user activity, while system files, like configuration and log files, typically reveal when a program was run.

Despite timestamps being ubiquitous, the understanding of their exact meaning is mostly overlooked in favor of fully-automated, correlation-based approaches. Existing work for practitioners aims at understanding Windows and is not directly applicable to Unix-like systems.

In this paper, we review how each layer of the software stack (kernel, file system, libraries, application) influences MACB timestamps on Unix systems such as Linux, OpenBSD, FreeBSD and macOS.

We examine how POSIX specifies the timestamp behavior and propose a framework for automatically profiling OS kernels, user mode libraries and applications, including compliance checks against POSIX.

Our implementation covers four different operating systems, the GIO and Qt library, as well as several user mode applications and is released as open-source.

Based on 187 compliance tests and automated profiling covering common file operations, we found multiple unexpected and non-compliant behaviors, both on common operations and in edge cases.

Furthermore, we provide tables summarizing timestamp behavior aimed to be used by practitioners as a quick-reference.

Learn more: https://dfrws.org/presentation/a-systematic-approach-to-understanding-macb-timestamps-on-unixlike-systems/

YouTube Video UCQajlJPesqmyWJDN52AZI4Q_i0zd7HtluzY

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