seb @seb@ioc.exchange

What do have NYU.EDU, PURDUE.EDU and CS.WISC.EDU in common?

Their email systems have been used as attack infrastructure against us. Wonder if they all use the same type of email system.

All attacks used five random characters as the user part of the email address.

#infosec #cybersecurity #threatintel

Investments in Zero-Day Vulns is going up. #cybersecurity #infosec

https://www.fireeye.com/blog/threat-research/2020/04/zero-day-exploitation-demonstrates-access-to-money-not-skill.html

We observe so many vendor breaches since WFH started, feels like almost everyone got breached around us. #cybersecurity #infosec #COVID19

What is your strategy to approach application teams with #cybersecurity concerns? #infosec #blueteam

Anyone doing a vendor risk assessment before allowing IM Federation?

#cybersecurity #infosec #blueteam

#ipv6 #cybersecurity #infosec https://www.infosec.gov.hk/english/technical/files/ipv6s.pdf

The #Cybersecurity Body of Knowledge

#infosec #blueteam

https://www.cybok.org/media/downloads/CyBOK_version_1.0_YMKBy7a.pdf

Anyone looked into Microsoft Flow / PowerAutomate as a phishing and dataexfil vector yet? #infosec #cybersecurity

Pro-actively searching through and correlating logs in your SIEM and cyber tools we call Threat Hunting. What does one call pro-actively searching through and correlating threat intel? Is it just the creation of more threat intel or is there a word/phrase for it? #cybersecurity #infosec #threatintel

If you still didn’t look at your VPN solution and did not run a threat hunt on it yet, go do it! #infosec #blueteam #cybersecurity https://www.zdnet.com/article/iranian-hackers-have-been-hacking-vpn-servers-to-plant-backdoors-in-companies-around-the-world/

#infosec community! I predict national firewalls completely segmenting the Internet within the next 10y. What will be the FREE alternative Internet? Will there even be one?

#infosec community! What is your favorite GRC tool?

Finally got around adding all these TI links into a wiki page: https://codeberg.org/cyberseb/ti/wiki/CTI

It already includes a good amount of TI resources but will be updated every time I run across something cool.

#cybersecurity #infosec #blueteam

Why do you think the NSA is telling us to patch that trust vuln right away? #cybersecurity #infosec #blueteam

This is an actively exploited attack vector and slowly becoming mainstream! If you haven't put protection (CASB) in place yet, do it now.

#cybersecurity #infosec #blueteam

https://krebsonsecurity.com/2020/01/tricky-phish-angles-for-persistence-not-passwords/

If your organization cannot afford Enterprise grade DNS security tools, have a look at https://github.com/StevenBlack/hosts #cybersecurity #blueteam #InfoSec

Looking to add some more miners to our minemeld (https://github.com/PaloAltoNetworks/minemeld/wiki) instance. Anyone had a lot of success and can recommend one or two sources? Any bad experiences with any of the default miners? #InfoSec #cybersecurity #blueteam #threatintel #automation

Anyone have a good tool that makes searching through Windows Server DNS Debug Logs easy? #infosec #cybersecurity #blueteam

The excitement you feel when your SOC reports the first phishing email that found a way around ATP Safe Links... #infosec #cybersecurity #blueteam

When your MSP downloads random tools onto your production servers that trip your AV... *sigh* #cybersecurity #infosec #sysadminfail