Understanding Metadata

NISA 2017 - UNDERSTANDING METADATA - WHAT IS METADATA, AND WHAT IS IT FOR? is available. Surprisingly, not read anywhere else that this update was out, being that it is a highly relevant subject to digital (mobile, computer, audio, etc.) forensics.
http://www.niso.org/apps/group_public/download.php/17446/Understanding%20Metadata.pdf

U-N-I update on posts

- Diameter - Online Charging Systems (OCS)
- Big / Fresh / Deep - Data : Huaewi overview
- Hot technologies to know about
- ARP.pcap
- bgp.pcap
- https.pcap
- ICMP-ARP-OpenFlow1.0.pcap
- ICMP-DHCP-DNS.pcap
- Russians target Telegram App
- Wireshark
- Protocols Relevant to U-N-I
- Industrial Networks Hit By WannaCry
- IM Telegram Replay Attack - Android
- Whisper Signal WhatsApp
- Subpico Intelligent Appication Layer Software
- Subpico LI with evidential integrity
- TraceWrangler
- old_GUTI_IMSI_Critical_Reject (updated)

https://www.linkedin.com/groups/13536130

Universal Network Investigations

Just started a new LinkedIn group called 'Universal Network Investigations (UNI)'. It is a group only for those involved in the wider area of fixed, mobile and large-scale computer networks. The group exists to assist cyber, forensics and fault-finding investigations: to exchange observations and sharing 'intel' in a closed forum discussing fixed and mobile network investigations - trace data and other forms of evidence (including but not limited to PCAP, CDRs, traffic logs, exchange and switch data, cell details, dumps, etc.) If you are a member of LinkedIn and want to participate in the group here is the link: https://www.linkedin.com/groups/13536130

DoJ CSP Data Retention Periods For LE

DoJ CSP Data Retention Periods For LE

A secret memo dated August 2010 released by the Department of Justice produced to advise law enforcement regarding the communications data retention periods has been reported (full story) by arstechnica: "secret memo reveals which telecoms store your data the longest"

DoJ memo quick download: Retention Periods of Major Cellular Service Providers (PDF)