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N2K Networks

Deception, influence, and social engineering in the world of cyber crime.

Hacking Humans

Please enjoy this encore of Word Notes. 

Digital evidence that a system or network has been breached.

CyberWire Glossary link: ⁠https://thecyberwire.com/glossary/indicator-of-compromise⁠

Audio reference link: ‌”⁠Suicide or Murder? | The Blind Banker | Sherlock⁠,” uploaded by Sherlock, 18 October 2015

Indicators of Compromise (noun) [Word Notes]

This week, hosts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Dave Bittner⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠,⁠ ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Joe Carrigan⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, and Maria Varmazis⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ (also host of the ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠T-Minus⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Space Daily show) are sharing the latest in social engineering scams, phishing schemes, and criminal exploits that are making headlines. Joe share's another chicken update for us, this time from Werner Herzog. Dave’s got a story from a listener named Tim, an IRS Criminal Investigation agent, who explains that real CI agents may contact people unannounced and can verify themselves in person, but if anyone asks for gift cards or crypto, it’s definitely a scam. Maria has the story on how attackers are abusing real SendGrid accounts to send politically charged phishing emails that look legitimate and trick users into handing over their credentials. Joe has two stories this week, the first on Cambodia’s renewed crackdown on massive Southeast Asian scam networks following the arrest and extradition of alleged kingpin Chen Zhi, signaling deeper international cooperation against fraud operations that have stolen billions worldwide, and the second on a Nashville Uber driver who lost $300 after falling for a convincing phone scam that impersonated Uber Support and falsely accused him of drunk driving. Our catch of the day comes from Reddit scams where one scammer gets put through the ringer, twice. 

Resources and links to stories:

 Cambodia to keep up crackdown on scam centres after arrest of alleged mastermind

 Uber driver describes drunk driving scam that cost him $300

 SendGrid isn’t emailing you about ICE or BLM. It’s a phishing attack.

 Dave Part 1

⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Have a Catch of the Day you'd like to share? Email it to us at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠hackinghumans@n2k.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠.

Scammers gonna scam.

Please enjoy this encore of Word Notes. 

A system that monitors for malicious or unwanted activity, and either raises alerts when such activity is detected or blocks the traffic from passing to the target.

CyberWire Glossary link: ⁠https://thecyberwire.com/glossary/intrusion-detection-system⁠

Audio reference link: “⁠Network Intrusion Detection and Prevention - CompTIA Security+ SY0-501 - 2.1⁠,” Professor Messer, uploaded 16 November, 2017

Intrusion Detection System (noun) [Word Notes]

This week, while ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Maria Varmazis⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ (also host of the ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠T-Minus⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Space Daily show) is out, our hosts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Dave Bittner⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ and ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Joe Carrigan⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ are sharing the latest in social engineering scams, phishing schemes, and criminal exploits that are making headlines. Joe starts us off with a chicken update. Joe’s story is on CrowdStrike’s 2025 Global Threat Report, which reveals faster-than-ever breakout times, a surge in vishing and initial access attacks, widespread abuse of valid accounts, and a growing shift toward malware-free intrusions as adversaries become more numerous and sophisticated. Dave’s got the story on how “pig-butchering” romance scams are industrialized, detailing Reuters’ reporting on cyberfraud gangs using step-by-step psychological playbooks to groom victims, manufacture emotional attachment, and rapidly funnel them into fake investments that leave lasting financial and emotional damage. Rishika Desai, Threat Researcher and Writer from Bfore.ai, joins Dave and Joe to discuss renting social media ad accounts for scamming purposes. Our catch of the day comes from Reddit, where one user channels their inner Jedi and uses the Force to send a pesky scammer retreating to the dark side.

Resources and links to stories:

 
⁠A scammer’sblueprint

 CROWDSTRIKE 2025 GLOBAL THREAT REPORT

⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Have a Catch of the Day you'd like to share? Email it to us at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠hackinghumans@n2k.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠.

When a scammer meets the Force.

Please enjoy this encore of Word Notes. 

Hackers bypass, multifactor authentication schemes by sending a blizzard of spamming login attempts until the accounts owner accepts the MFA prompt out of desperation to make the spamming stop. 

CyberWire Glossary link: ⁠https://thecyberwire.com/glossary/mfa-prompt-bombing⁠

Audio reference link: movieclips. “⁠Sneakers (2/9) Movie Clip - Defeating the Keypad (1992) HD.⁠” YouTube, YouTube, 29 May 2011, https://www.youtube.com/watch?v=oG5vsPJ5Tos.

MFA prompt bombing (noun) [Word Notes]

This week, our hosts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Dave Bittner⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Joe Carrigan⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, and ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Maria Varmazis⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ (also host of the ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠T-Minus⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Space Daily show) are sharing the latest in social engineering scams, phishing schemes, and criminal exploits that are making headlines. We start with some follow up on a big honor for Dave, recognized by SANS as a Difference Maker in Media—plus a quick chicken update, a newly named rooster, and construction officially getting underway on the new run. Maria has the story on a congressional warning about a surge in winter holiday travel scams, as fake booking sites and airline impersonators drive millions in losses during peak travel season. Dave has two stories this week, one on a friend who received a suspicious email appearing to come from the chair of a nonprofit, and the other on a BBC investigation uncovering how fraudulent crowdfunding campaigns exploited children with cancer and their families, siphoning off millions meant for life-saving treatment. Joe’s story covers a warning from the IRS on how to spot and avoid tax scams, highlighting red flags like too-good-to-be-true refunds, urgent threats, fake websites, and impersonators pressuring victims for money or personal information. For our Catch of the Day, it turns out Aquaman isn’t just ruling the seas — he’s apparently sliding into fans’ texts, proving once again that when a celebrity starts sounding a little too approachable, it’s probably not Hollywood calling. 

Resources and links to stories:

 ALERT: Winter Holidays Travel Scams

 Children with cancer scammed out of millions fundraised for their treatment, BBC finds

 Recognize tax scams and fraud

 How to know it's the IRS

⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Have a Catch of the Day you'd like to share? Email it to us at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠hackinghumans@n2k.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠.

It's just too good to be true.

Please enjoy this encore of Word Notes. 

An optional security mode for macOS and iOS that reduces the attack surface of the operating system by disabling certain commonly attacked features. 

CyberWire Glossary link: ⁠https://thecyberwire.com/glossary/apple-lockdown-mode⁠

Audio reference link: “⁠How NSO Group’s Pegasus Spyware Was Found on Jamal Khashoggi’s Fiancée’s Phone⁠,” FRONTLINE, YouTube, 18 July 2021.

Apple Lockdown Mode (noun) [Word Notes]

Welcome in! You’ve entered, Only Malware in the Building. Join us each month to sip tea and solve mysteries about today’s most interesting threats. Your host is ⁠⁠⁠⁠⁠Selena Larson⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠Proofpoint⁠⁠⁠⁠⁠ intelligence analyst and host of their podcast ⁠⁠⁠⁠⁠DISCARDED⁠⁠⁠⁠⁠. Inspired by the residents of a building in New York’s exclusive upper west side, Selena is joined by her co-hosts ⁠⁠⁠⁠⁠N2K Networks⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠Dave Bittner⁠⁠⁠⁠⁠ and ⁠⁠⁠⁠Keith Mularski⁠⁠⁠⁠, former FBI cybercrime investigator and now Chief Global Ambassador at ⁠⁠⁠⁠Qintel⁠⁠⁠⁠.

Being a security researcher is a bit like being a detective: you gather clues, analyze the evidence, and consult the experts to solve the cyber puzzle. On this episode, we dive into supply chain attacks through the lens of a massive Android malware campaign that infects devices before they ever reach users, embedding itself in firmware and reseller-installed system images. We connect the dots to other high-impact supply chain incidents—from SolarWinds to the recent F5 breach—and share new intelligence on Android devices compromised during manufacturing and distribution in China. Together, these cases highlight how attacks at the source can quietly scale, persist, and evade traditional defenses.

Poisoned at the source. [OMITB]

While our team is out on winter break, please enjoy this episode of Only Malware in the Building.

Welcome in! You’ve entered, Only Malware in the Building — but this time, it’s not just another episode. This is a special edition you won’t want to miss.

For the first time, our hosts are together in-studio — and they’re turning up the heat. Literally. Join ⁠⁠⁠⁠⁠⁠Selena Larson⁠⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠⁠Proofpoint⁠⁠⁠⁠⁠⁠ intelligence analyst and host of their podcast ⁠⁠⁠⁠⁠⁠DISCARDED⁠, along with ⁠⁠⁠⁠⁠⁠N2K Networks⁠⁠⁠⁠⁠⁠ ⁠⁠⁠⁠⁠⁠Dave Bittner⁠⁠⁠⁠⁠⁠ and ⁠⁠⁠⁠⁠Keith Mularski⁠⁠⁠⁠⁠, former FBI cybercrime investigator and now Chief Global Ambassador at ⁠⁠⁠⁠⁠Qintel⁠⁠⁠⁠⁠⁠⁠⁠⁠, as they take on a fiery hot wings challenge while answering personal questions about themselves, their careers, and the stories that shaped them. Think you’ve seen them tackle malware mysteries before? Wait until you see them sweat. 

This one’s too good for audio alone — you’ll want to watch the full ⁠video⁠ edition to catch every spicy reaction, every laugh, and maybe even a few tears.

So grab your milk, get ready to feel the burn, and come join us for this special hot take on Only Malware in the Building.

Hot sauce and hot takes: An Only Malware in the Building special.

While our team is out on winter break, please enjoy this episode of Word Notes.

A security awareness training technique in which authorized, but fake phishing emails are sent to employees in order to measure and improve their resistance to real phishing attacks. 

CyberWire Glossary link: ⁠https://thecyberwire.com/glossary/simulated-phishing⁠

Audio reference link: ⁠“Blackhat (2014) - Hacking the NSA Scene (4/10) | Movieclips.”⁠ YouTube, YouTube, 19 Apr. 2017.

Simulated Phishing (noun) [Word Notes]

An open source Java-based software tool available from the Apache Software Foundation designed to log security and performance information.

Log4j vulnerability (noun) [Word Notes]

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