TechSNAP Video

TechSNAP Video

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TechSNAP Video episodes

  • Tips from the Top | TechSNAP 363

    Getting started or getting ahead in IT is a moving target, so we’ve crowd sourced some of the best tips and advice to help.

    Plus a tricky use of zero-width characters to catch a leaker, a breakdown of the new BranchScope attack, and a full post-mortem of the recent Travis CI outage.

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  • Rebuilding it Better | TechSNAP 362

    It’s a TechSNAP introduction to Terraform, a tool for building, changing, and versioning infrastructure safely and efficiently.

    Plus a recent spat of data leaks suggest a common theme, Microsoft’s self inflicted Total Meltdown flaw, and playing around with DNS Rebinding attacks for fun.

    The Under Armour Hack Was Even Worse Than It Had To Be

    Under Armour Inc (UAA.N) (UA.N) said on Thursday that data from some 150 million MyFitnessPal diet and fitness app accounts was compromised in February, in one of the biggest hacks in history, sending shares of the athletic apparel maker down 3 percent in after-hours trade.

    Panerabread.com Leaks Millions of Customer Records

    The data available in plain text from Panera’s site appeared to include records for any customer who has signed up for an account to order food online via panerabread.com.

    • No, Panera Bread Doesn’t Take Security Seriously
    • tl;dr: In August 2017, I reported a vulnerability to Panera Bread that allowed the full name, home address, email address, food/dietary preferences, username, phone number, birthday and last four digits of a saved credit card to be accessed in bulk for any user that had ever signed up for an account. This includes my own personal data! Despite an explicit acknowledgement of the issue and a promise to fix it, Panera Bread sat on the vulnerability and, as far as I can tell, did nothing about it for eight months. When Brian Krebs publicly broke the news, other news outlets emphasized the usual “We take your security very seriously, security is a top priority for us” prepared statement from Panera Bread. Worse still, the vulnerability was not fixed at all — which means the company either misrepresented its actual security posture to the media to save face or was not competent enough to determine this fact for themselves. This post establishes a canonical timeline so subsequent reporting doesn’t get confused.

      Total Meltdown?

      Meet the Windows 7 Meltdown patch from January. It stopped Meltdown but opened up a vulnerability way worse ... It allowed any process to read the complete memory contents at gigabytes per second, oh - it was possible to write to arbitrary memory as well.

      Terraform

      HashiCorp Terraform enables you to safely and predictably create, change, and improve infrastructure. It is an open source tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

      • Terraforming 1Password
      • Compared to the JSON or YAML files used by CloudFormation, Terraform HCL is both a more powerful and a more readable language. Here is a small example of a snippet that defines a subnet for the application servers. As you can see, the Terraform code is a quarter of the size, more readable, and easier to understand.

        Feedback
        • Whonow: A malicious DNS server for executing DNS Rebinding attacks on the fly
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        • It’s All in the Logs | TechSNAP 361

          Embarrassing flaws get exposed when the logs get reviewed, Atlanta city government gets shut down by Ransomware, and the cleverest little Android malware you’ll ever meet.

          Plus we go from a hacked client to a Zero-day discovery, answer some questions, ask a few, and more!

          Links:
          Uh Oh! Unified Logs in High Sierra (10.13) Show Plaintext Password for APFS Encrypted External Volumes via Disk Utility.app

          It may not be noticeable at first (apart from the highlighting I’ve added of course), but the text “frogger13” is the password I used on a newly created APFS formatted FileVault Encrypted USB drive with the volume name “SEKRET”. (The new class images have a WarGames theme, hence the shout-outs to classic video games!)

          Thousands of servers found leaking 750MB worth of passwords and keys

          Giovanni Collazo said a quick query on the Shodan search engine returned almost 2,300 Internet-exposed servers running etcd, a type of database that computing clusters and other types of networks use to store and distribute passwords and configuration settings needed by various servers and applications. etcd comes with a programming interface that responds to simple queries that by default return administrative login credentials without first requiring authentication. The passwords, encryption keys, and other forms of credentials are used to access MySQL and PostgreSQL databases, content management systems, and other types of production servers.

          Atlanta city government systems down due to ransomware attack

          FBI called in as some city services are interrupted, employees told to turn off PCs.

          Android malware found inside apps downloaded 500,000 times

          The malware was sneaked onto the Google Play store disguised as seven different apps -- six QR readers and one 'smart compass' -- and bypassed security checks by hiding its true intent with a combination of clever coding and delaying its initial burst of malicious activity.

          From hacked client to 0day discovery

          We will discover in this article how a recent incident response to a customer was handled and how we discovered an otherwise publicly unknown vulnerability that was never reported by the manufacturer which left thousands of users unprotected from this security flaw.

          Feedback
          • Listener Feedback from Jeff S

          • Listener Feedback from Tyler

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          • AMD Flaws Explained | TechSNAP 360

            We cut through the noise and explain in clear terms what’s really been discovered. The botched disclosure of flaws in AMD products has overshadowed the technical details of the vulnerabilities, and we aim to fix that..

            Plus another DNS Rebinding attack is in the wild and stealing Ethereum, Microsoft opens up a new bug bounty program, Expedia gets hacked, and we perform a TechSNAP checkup.

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          • Netflix’s Dark Capacity | TechSNAP 359

            Netflix has a few tricks we can learn from, and the story of clever malware that was operating undetected since 2012.

            Plus we discuss Let's Encrypt’s Wildcard support and explain what ACME v2 is.

            Then we detail the bad position Samba 4 admins are in, and the real cause of these recent 1.7Tbps DDoS attacks.

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          • A Future Without Servers | TechSNAP 358

            The term serverless gets thrown around a lot, but what does it really mean? What are the benefits & the drawbacks? It’s a TechSNAP introduction to Serverless Architecture.

            Plus new research with ideas to dramatically improve private web browsing, the growing problem of tracking security vulnerabilities with CVE’s & much more!

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          • The Return of Spectre | TechSNAP 357

            New variants, bad patches, busted microcode & devastated performance. It’s a TechSNAP Meltdown & Spectre check up.

            Plus Tesla gets hit by Monero Cryptojacking & a dating site that matches people based on their bad passwords…. So we gave it a go!

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          • The Concern with Containers | TechSNAP 356

            The problems containers can’t solve, nasty security flaws in Skype and Telegram & Cisco discovers they have a bigger issue on their hands then first realized.

            Plus the latest jaw-dropping techniques to extract data from air-gapped systems.

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          • Operation FreeNAS Rescue | TechSNAP 355

            We save our FreeNAS Mini from the edge & perform an emergency migration to much larger hardware.

            Plus 12 tips for secure authentication, the future of network security where there is no LAN, a botnet exploiting Android ADB & your questions.

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          • Here Come the Script Kiddies | TechSNAP 354

            AutoSploit has the security industry in a panic, so we give it a go. To our surprise we discover systems at the DOD, Amazon & other places vulnerable to this automated attack. We’ll tell you all about it & what these 400 lines of Python known as AutoSploit really do.

            Plus injecting arbitrary waveforms into Alexa and Google Assistant commands, making WordPress bulletproof & how to detect and prevent excessive port scan attacks.

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          About TechSNAP Video

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          TechSNAP our weekly Systems, Network, and Administration Podcast.