7MS #437: Homecoming and Home ioT Security - Part 3
7 Minute Security14 Loka 2020

7MS #437: Homecoming and Home ioT Security - Part 3

Hello! This episode is a true homecoming in that I actually recorded it from home. Yay!

WARNING!!! WARNING!!! This episode contains a ton of singing. If you don't like singing, do not listen!!!

With that said, I wanted to follow up on part 1 and 2 of this series and share some additional cool tools that others have told me about in regards to securing and monitoring all your ioTs!

  • Home Assistant - is described on its Wikipedia page as "a free and open-source home automation software designed to be the central control system in a smart home or smart house." You can quickly grab the HA image and dump it on an SD card with Balena Etcher and be up and running in minutes. I found HA a bit overkill/complicated for my needs, but my pal Hackernovice (on 7MS Slack) says this video demonstrates why he really loves it.

  • Prometheus, recommended by our pal Mojodojo101, is "a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true." I found a great RPi install guide that will help you get it up and running in a snap. I love the capabilitiesand possibilities of Prometheus, but much like Home Assistant, it quickly got to "more than I need" territory.

The final thing we talk about today is trying to answer this question: with so many of my ioTs tied to some cloud app/service, how do I keep these accounts themselves as secure as possible?

Songs sung in this episode include:

Jaksot(684)

7MS #420: Tales of Internal Pentest Pwnage - Part 17

7MS #420: Tales of Internal Pentest Pwnage - Part 17

Today's episode is a fun tale of pentest pwnage! Interestingly, to me this pentest had a ton of time-sponging issues on the front end, but the TTDA (Time to Domain Admin) was maybe my fastest ever. I had to actually roll a fresh Kali VM to upload to the customer site, and I learned (the hard way) to make that VM disk as lean as possible. I got away with a 15 gig drive, and the OS+tools+updates took up about 12 gig. One of the biggest lessons I learned from this experience is to make sure that not only is your Kali box updated before you take it to a customer site (see this script), but you should make sure you install all the tool dependencies beforehand as well (specifically, Eyewitness, Impacket and MITM6). This pentest was also extremely time-boxed, so I tried to get as much bang out of it as possible. This included: Capturing hashes with Responder Checking for "Kerberoastable" accounts (GetUserSPNs.py -request -dc-ip x.x.x.x domain/user) Check for MS14-025 (see this article) Check for MS17-010 (nmap -Pn -p445 --open --max-hostgroup 3 --script smb-vuln-ms17-010 192.168.0.0/24 -oA vulnerable-2-eblue) and try this method of exploiting it Check for DNS zone transfer (dnsrecon -d name.of.fqdn -t axf) Test for egress filtering of ports 1-1024 Took a backup of AD "the Microsoft way" and then cracked with secretsdump: sudo python ./secretsdump.py -ntds /loot/Active\ Directory/ntds.dit -system /loot/registry/SYSTEM -hashes lmhash:nthash LOCAL -outputfile /loot/ad-pw-dump

26 Kesä 202044min

7MS #419: Eating the Security Dog Food

7MS #419: Eating the Security Dog Food

Today we're talking about eating the security dog food! What do I mean by that? Well, a lot of security companies I worked for in the past preached to clients about the importance of having a good security program, but didn't have one of their own! I'm trying to break that pattern now that I'm in a position to lead an information security program for 7MS. In today's episode we talk about getting your company started with a good set of infosec policies/procedures. First up is a "mothership" infosec policy with the following sub-policies inside it: Acceptable Use Data Protection and Privacy Physical Security Tools and Technology Training and Awareness Reporting Oh, and the song I jazz/scat/sang coming out of the jingle was If I Were a Dog

17 Kesä 202040min

7MS #418: Securing Your Mental Health

7MS #418: Securing Your Mental Health

SafePass.me is the only enterprise solution to protect organizations against credential stuffing and password spraying attacks. Visit safepass.me for more details, and tell them 7 Minute Security sent you to get a 10% discount! Today's episode is all about mental health! I talk about some of my challenges with stress/anxiety and how I finally put on my big boy pants, dropped some misconceptions and decided to do something about it. Additionally, this episode contains references to: Jon Secada Arsenio Hall Lone Wolf McQuade

11 Kesä 202044min

7MS #417: Vulnerability Scanning Tips and Tricks

7MS #417: Vulnerability Scanning Tips and Tricks

Today's episode is all about getting the most value out of your vulnerability scans, including: Why, IMHO you should only do credentialed scans Policy tweaks that will keep servers from tipping over and printers from printing novels of gibberish ;-) How to make your scan report more actionable and less unruly Turning up logging to 11 (use with caution!) A small tweak to an external scan policy that can result in the difference between a successful or failed scan The nessusd.rules file is awesome for excluding specific hosts and services from your scans

4 Kesä 202043min

7MS #416: Pi-hole 5.0

7MS #416: Pi-hole 5.0

This podcast is sponsored by Arctic Wolf, whose Concierge Security teams Monitor, Detect and Respond to Cyber threats 24/7 for thousands of customers around the world. Arctic Wolf. Redefining cybersecurity. Visit Arcticwolf.com/7MS to learn more. Today we're talking about some of my favorite features of Pi-hole 5.0. Including: WARNING! WARNING! Upgrading from 4.x is a one-way operation! Per-client blocking (you can setup, for example, a group machines called "kids" and apply specific domain block/allow lists and domains to them) More granular detail (especially if there are issues) when blocklists get updated Better, richer debug log output I also talk about a great companion for yor Pi-hole: a command-line Internet speed test! Hat tip to Javali over at the 7MS forums who told me about this. Additionally, I briefly mention "Hashy" (the nickname of my password cracking rig), give you some stay-at-home streaming TV show recommendations, and give you a quick house rebuild update!

28 Touko 202035min

7MS #415: Cyber News

7MS #415: Cyber News

Today's episode kicks off a fun little experiment where my pal Joe Skeen and I cover some of the week's interesting security news stories, how they might affect you, and what you can do to make you and your company more secure. This week's stories: Salt stack RCE (Daily Swig / Cyber Scoop) Malware uses Corporate MDM as attack vector (Checkpoint) Critical vulns in Sharefile (Citrix) Shareholders sue Labcorp over their 'persistent' failure to secure data (Cyberscoop)

21 Touko 202031min

7MS #414: Tales of Pentest Fail #4

7MS #414: Tales of Pentest Fail #4

SafePass.me is the only enterprise solution to protect organizations against credential stuffing and password spraying attacks. Visit safepass.me for more details, and tell them 7 Minute Security sent you to get a 10% discount! Today I'm excited to share more tales of pentest FAIL with you. Today's tales include: Accidentally scanning assets that belong to an agency that nobody should be messing with Delivering reports with vulnerabilities from somebody else's network Why it's important to write a report more than 15 minutes before delivery Lessons learned from firing a disgruntled employee

14 Touko 20201h 4min

7MS #413: PCI Professional Certification (PCIP) - Part 3

7MS #413: PCI Professional Certification (PCIP) - Part 3

Hey everybody! I hope you're hanging in there during quarantine and staying healthy. Today is part 3 of our ongoing series all about becoming a PCIP. The good news is I'm finally, actually registered for the cert and have started diving into the training! So in today's episode I want to regurgitate some of what I'm learning to whet your appetite (or not) for this particular certification. Specifically, we cover: The overview and objectives for being a PCIP (TLDR: PCIP does NOT replace QSA or ISA, but gives us a good understanding of how to protect payment card data) How and why payment card data is leaked/stolen/breached - and then sold/monetized The definition of some fundamental PCI acronym soup, including PCI DSS, PA-DSS and P2PE

7 Touko 202051min

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