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Here are my DEF CON notes from the sessions that I attended in 2023 for DEF CON 31:

• DEF CON 31 Notes & References (PDF)

Please feel free to do what you want with these notes.  I go to sessions, so you don't have to.

Here are some quick links to notes from previous years: 30 (2022), 29 (2021), 28 (2020)*, 27 (2019), 26 (2018), 25 (2017), 24 (2016), 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

*I have 28 (2020) notes, but they still need work.

You can find some videos from DEF CON 31 (2023) here.

I plan on attending DEF CON 32 (2024).  Follow along near real-time on Twitter @technewsradio, Instagram @otto_locke. 

Here are my DEF CON notes from the sessions that I attended in 2022 for DEF CON 30:

• DEF CON 30 Notes & References (PDF)

Please feel free to do what you want with these notes.  I go to sessions, so you don't have to.

Here are some quick links to notes from previous years: 29 (2021), 28 (2020)*, 27 (2019), 26 (2018), 25 (2017), 24 (2016), 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

*I do have notes for 28 (2020), but they still need work.

You can find some videos from DEF CON 30 (2022) here.

I plan on attending DEF CON 31 (2023).  Follow along near real-time on Twitter @technewsradio, Instagram @otto_locke. 

Here are my DEF CON notes from the sessions that I attended in 2021 for DEF CON 29:

• DEF CON 29 Notes & References (PDF)

Please fell free to do what you want with these notes.  I go to sessions so you don't have to.

Here some quick links to notes from previous years: 27 (2019), 26 (2018), 25 (2017), 24 (2016), 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

I do have notes for 28 (2020) but they still need work.

I plan on attending DEF CON 30.  Follow along near real-time on Twitter @technewsradio, Instagram @otto_locke. 

Here are a few photos of the presentation by the NOC at Def Con 27 (2019).  But first here is may favorite non-focused photo as it says a lot:

Squirrels? 

Some WIFI User Tracking

Some Traffic Analysis

High-Level Network Diagram #1 For 2019

High-Level Network Diagram #2 For 2019

Previous WIFI Architectures (Rio)

Yuck! #1

Yuck #2

Bathrooms Make Great NOCs!

Other photos!

The following photos of slides that are some of my favorites from Def Con #27 (2019).

Default Elevator Passwords

SQL Injection's Found In Vendor Databases For Schools

Radar Gun Frequencies

Some References On How To "Mess With" Radar Guns

Multi-Printer Attack Surfaces

More Detail On Multi-Printer Attack Surfaces

Sound Damage Levels

Here are my DEF CON notes from the sessions that I attended in 2019 for DEF CON 27:

• defcon27-2019-report_DRAFT.pdf

Please fell free to do what you want with these notes.  I go to sessions so you don't have to.

Here some quick links to notes from previous years: 26 (2018), 25 (2017), 24 (2016), 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

Some podcasts that covered news from Black Hat and Def Con (there are probably more -- send me links!):

• Security Now 726 Black Hat and DefCon
• Sizing Up People - Social Engineering Podcast
• Security Weekly From DefCon

Here are some more recent news links published since the conference:

1. https://www.irishtimes.com/life-and-style/motors/10-700-in-speeding-tickets-after-invisibility-test-goes-wrong-1.3985905
2. https://www.cisomag.com/smart-speakers-can-be-turned-into-cyber-weapons-to-make-aural-attacks-researcher/
3. http://www.securitysystemsnews.com/blog/discovered-defcon-27-automated-license-plate-readers-alprs-being-hoodwinked-clothing
4. https://www.csoonline.com/article/3432158/thoughts-from-defcon-27.html
5. https://securityboulevard.com/2019/08/black-hat-2019-recap-transformation-the-new-cybersecurity-culture/
6. https://timesofindia.indiatimes.com/gadgets-news/this-next-gen-weapon-is-sitting-in-your-room-and-you-dont-even-know/articleshow/70645696.cms
7. https://edition.cnn.com/2019/08/12/politics/defcon-voting-village-darpa-dominion/
8. https://www.bleepingcomputer.com/news/software/nmap-780-def-con-release-first-stable-version-in-over-a-year/
9. https://www.infosecurity-magazine.com/news/defcon-cisa-improve-election/
10. https://www.infosecurity-magazine.com/news/defcon-american-flaws-school/
11. https://www.c4isrnet.com/battlefield-tech/2019/08/12/the-air-force-is-all-in-on-software/
12. https://www.infosecurity-magazine.com/news/defcon-hackers-netflix-bank-acount/
13. https://www.prnewswire.com/news-releases/carnegie-mellon-team-flexes-hacking-prowess-with-fifth-defcon-title-in-seven-years-300899772.html
14. https://techspective.net/2019/08/14/qualys-has-a-prescription-for-better-cybersecurity/
15. https://hub.packtpub.com/nmap-7-80-releases-with-a-new-npcap-windows-packet-capture-driver-and-other-80-improvements/
16. https://futurism.com/the-byte/tesla-surveillance-hack
17. https://www.cnet.com/news/anti-surveillance-clothes-foil-cameras-by-making-you-look-like-a-car/
18. https://www.krdo.com/news/hacker-makes-iphone-cable-that-can-tap-into-computer/1109318553
19. https://www.kare11.com/article/news/minnesota-team-places-2nd-in-national-hacking-competition/89-77305e34-dadd-4b55-afcb-c8d1af6165f9
20. https://www.cmu.edu/news/stories/archives/2019/august/hacking-champs.html
21. https://www.forbes.com/sites/jeanbaptiste/2019/08/14/defcon-27-how-hackers-used-a-netflix-account-to-steal-banking-information/#1f0f14a33710
22. https://www.wired.com/story/null-license-plate-landed-one-hacker-ticket-hell/
23. https://www.idgconnect.com/interviews/1502595/secret-cso-rick-howard-palo-alto-networks
24. https://www.technologyreview.com/f/614175/a-new-clothing-line-confuses-automated-license-plate-readers/
25. https://news.gcu.edu/2019/08/gcu-students-log-in-to-hacker-summer-camp/
26. https://www.newsweek.com/cybersecurity-vulnerability-fighter-jet-f15-defcon-hacking-tads-flight-system-hack-pentagon-1454491
27. https://www.thenewamerican.com/tech/item/33162-clothing-line-fools-big-brother-surveillance-by-making-you-look-like-a-car
28. https://www.military.com/daily-news/2019/08/16/hackers-find-serious-vulnerabilities-f-15-fighter-jet-system.html
29. https://www.timeslive.co.za/motoring/news/2019-08-16-go-for-it-try-to-hack-my-car/
30. https://gizmodo.com/buttplug-hacker-talks-security-consent-and-why-he-hac-1837252628
31. http://industrynewsreport24.com/congressmen-intelligence-members-rush-to-hackers-conference/412/
32. https://www.soyacincau.com/2019/08/17/defcon-omg-apple-lightning-cable-hackers-hijack-computer/
33. https://mashable.com/article/black-hat-conference-virus-measles/
34. https://techxplore.com/news/2019-08-paris-sartorial-hacking-le-dernier.html
35. https://arstechnica.com/information-technology/2019/08/badge-life-the-story-behind-defcons-hackable-crystal-electronic-badge/
36. https://insideevs.com/news/366333/tesla-hack-mod-surveillance-detection-scout/
37. https://www.dailymail.co.uk/news/article-7394157/Bluetooth-left-leaves-devices-vulnerable-hackers-attacks-cause-hearing-loss.html
38. https://technical.ly/baltimore/2019/08/29/cybersecurity-annapolis-sixgen-grabbed-the-win-at-defcon-27s-capture-the-flag/
39. https://www.wired.com/story/this-diy-implant-lets-you-stream-movies-from-inside-your-leg/

I plan on attending DEF CON 28.  Follow along real-time on Twitter @technewsradio.

Here are my DEF CON notes from the sessions that I attended in 2018 for DEF CON 26:

• defcon26-2018-report-technewsradio.pdf

Please fell free to do what you want with these notes.  I go to sessions so you don't have to.

Here some quick links to notes from previous years: 25 (2017), 24 (2016), 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

I plan on attending DEF CON 27.  Follow along real-time on Twitter @technewsradio.

Here are my DEF CON notes from the sessions that I attended in 2017 for DEF CON 25:

• DEFCON 25 NOTES (2017) [PDF]

Please fell free to do what you want with these notes.  I go to sessions so you don't have to.

Here some quick links to notes from previous years: 24 (2016), 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

I plan on attending DEF CON 26.  Follow along real-time on Twitter @technewsradio.

Here are my DEF CON notes from the sessions that I attended in 2016 for DEF CON 24:

• DEF CON 24 NOTES (2016) [PDF]

Please feel free to do what you want with these notes.  I go to sessions so you don't have to.

Here some quick links to notes from previous years: 23 (2015), 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010). 

I plan on attending DEF CON 25.  Follow along real-time on Twitter @technewsradio.

Here are my DEF CON notes from the sessions that I attended and the presentation material that was shared:

• DEF CON 23 NOTES (2015) [PDF]

In addition my previous notes (all in PDF) are available for 22 (2014), 21 (2013), 20 (2012), 19 (2011), & 18 (2010).  I wish I started going to DEF CON sooner but it is what it is.

Feel free to do what you want with the report - "I attend sessions so you don't have to." ;-)

I plan on attending DEF CON 24.  Follow along real-time on Twitter @technewsradio.

UPDATE (8/3/2016): If you are a Chvrches fan and want to be interviewed in person at DEF CON 24 then message me on Twitter @chvrchespodcast.

Last summer (2014) I picked up a Asus C720-2802 Chromebook and posted a review on TechNewsRadio.com.

I recently updated to a newer version (same form factor) -- the Acer C720-3605.  I had originally ordered the Acer C720-3404  (which is the Canadian version), but ended up with the U.S. version: C720-3605.  They appear at least on the specification pages on Acer to be exactly the same other than model number (PDF spec analysis). I might have missed something so if there is a difference then please let me know.

The main reasons for upgrading:

1. Improved Performance (faster processor with dual-core)
2. Additional RAM (4-GB vs. 2-GBs)
3. Better HDMI output (for hooking up to a large monitor @ my home desk).
4. More Local Storage (32-GBs vs. 16-GBs -- excellent for watching more digital content)
5. Needed a another computer @home for my daughter to use

Here are some stats using Octane 2.0 test:

While I wasn't having any real performance issues with the 2802-series, I've found that I can experience the difference in browsing and streaming media with the 3605-series.  The hardware updates are definitely an improvement in real world usage from my perspective.

All-in-all I have been very happy with Chrome OS and these two Chromebooks (the old one is now my daughter's main system).  For me the key selling points: great battery (more than 8 hours); excellent small form factor; responsive & comfortable keyboard; integration with Google services; and the simple OS updates & patches.

I look forward to using it again as my main note taking system for DEFCON 23.

 You can order your own via this Amazon Acer C720-3605 link or this Amazon Acer C720-3404 link.  Prices seem to be all over the board so make sure you are comfortable with ordering the right model number at the right price.

I recently picked up a Logitech Wireless Combo Mk520 With Keyboard and Mouse to use full time with my Acer Chromebook when I'm using it in desktop computer mode.  

When I am in this mode I usually use the setup with a SAMSUNG T24C550 monitor as the primary monitor and the Acer's laptop monitor as my 2nd monitor off to the right-hand side.

I like this setup because it enables wireless access to both the keyboard and the mouse using one USB port.  Previously I had a dedicated wireless mouse and then a bluetooth keyboard. However the bluetooth keyboard wasn't completely full-size, would periodically drop off connectivity, and was better suited to short-term typing like like periodic emails responses on my Nexus 7.

The only draw back with the Mk520 is that the Function (F) keys are not ideally setup to match the icons on them.

The keyboard uses the basic standard keyboard layout on most Chromebooks. So ESC is ESC (Escape) and:

• F1: Go to the previous page in your browser history
• F2: Go to the next page in your browser history
• F3: Reload your current page.
• F4: Open your page in full-screen mode
• F5: Switch to your next window
• F6: Decrease screen brightness
• F7: Increase screen brightness
• F8: Mute
• F9: Decrease system volume
• F10: Increase system volume

At the very top of the keyboard is a media control area (3 keys): back, play/stop, forward. Those don't seem to work with videos.  But the sound control area (3 keys): mute, decrease sound, and increase sound do work.  And the WINDOWS button is a dedicated SEARCH button; the STAR button brings up the BOOKMARKS page list; and the CALCULATOR button goes into FULL SCREEN MODE.

Over all the keyboard feel when typing is very good, and I like the pressure the keys have. In addition, I like the ability to tilt up the keyboard and to have it stand-up at 90-degrees for using your desk area for writing if needed.  I would recommend the keyboard if someone is looking for the same feature set.

The PCI Security Standards Council has released guidance (PDF) to businesses to show them how to use penetration testing to identify network vulnerabilities that could be exploited for malicious activity. [tbusinessnet.com, bankinfosecurity.com, news.google.com]

There is also a discussion thread over on SANS.org Forums.

The CISSP Domains (Effective April 15, 2015) will be changing:

1. Security and Risk Management (Security, Risk, Compliance, Law, Regulations, Business Continuity)
2. Asset Security (Protecting Security of Assets)
3. Security Engineering (Engineering and Management of Security)
4. Communications and Network Security (Designing and Protecting Network Security)
5. Identity and Access Management (Controlling Access and Managing Identity)
6. Security Assessment and Testing (Designing, Performing, and Analyzing Security Testing)
7. Security Operations (Foundational Concepts, Investigations, Incident Management, Disaster Recovery)
8. Software Development Security (Understanding, Applying, and Enforcing Software Security) 

A detailed conference report of the sessions attended has been posted: DEFCON22 (PDF).

In addition, here is a summary of DEFCON 22 related news articles of potential interest:

• Founder of America’s Biggest Hacker Conference: ‘We Understand the Threat Now’ [Time]
• Black Hat, Defcon Conferences: From Hackers to Pwnie Awards [eweek]
• DEFCON's Latest challenge: Hacking altruism [itworld]
• DEFCON 22: HACKING AIRPORTS, AIRPLANES AND AIRWAVES [tripwire, scmagazine#1, scmagazine#2]
• Blackphone isn’t insurmountable, hackers prove at Defcon [technewsnow, itporportal]
• Taiwan hackers win 2nd prize in Las Vegas [taiwantoday]
• McAfee sideshow eclipses Defcon's real security breakthroughs [infoworld]
• The clash of cultures between Black Hat and Defcon hacker events [venturebeat]
• At Defcon, hacker coalition calls for safer computer systems in vehicles [computerworld]
• DefCon: Bug bounty programs continue to evolve [scmagazine]
• Hacker Couture At Defcon [forbes]
• DefCon: Stolen data markets are as organized as legitimate online businesses [scmagazine]
• Propeller 1 on the DEFCON 22 Badges in Las Vegas! [parallax]
• Hackers Were Busy at Black Hat [PC Magazine]
• With Black Hat and DefCon comes spike in Vegas-based attacks [SC Magazine]
• Cyber Attacks From Las Vegas Spiked During Black Hat, Defcon [SecurityWeek.Com, site.co.uk, itsecurityguru.org]
• SensePost demos WiFi attacks at DefCon [ITWeb]
• DefCon 22: Home Automation Security, Personal Wrist Computer Badge and How To Buy Online Anonymously [Revision3 Part 3, Part 1]
• Inside Defcon: What Happens At The Annual Hacker Convention [nbc-chicago]
• EFF's T-Shirt Puzzle
• More info on OpenDNS's DEFCON presentation

Here are pointers to previous reports: DEFCON 18, DEFCON 19, DEFCON 20, and DEFCON 21.