Episodes

Application whitelisting best practices can stop malware your antivirus never sees coming, but almost nobody follows them. Dr. Mike Saylor joins Prasanna and me to talk about why, and what it really takes to build an approved software list that sticks. We start with SocGholish, a fake browser update campaign that’s been around since 2018. Every download is built just for the victim, so pattern-based tools can’t spot it. That’s exactly the kind of threat an approved software list shuts down. Th...

Building an incident response team is something you do before the incident, not during it. Prasanna, Dr. Mike Saylor, and I walk through who needs to be on that team, why each person matters, and how to get them lined up now so nobody’s scrambling when ransomware hits. We’re back after a few weeks off, and we came back with a topic I care a lot about. When I cracked a rim on my Tesla, I didn’t watch YouTube videos and grab a wrench. I called a team of people who know tires. Your cyber incident ...

Endpoint hardening is the unglamorous work of closing the windows and locking the doors before somebody comes along and jiggles the handle. Prasanna, Dr. Mike Saylor and I walk through what that actually looks like: secure builds and golden images, which services to shut off, which ones to uninstall so a bad guy can't just switch them back on, USB lockdown, full disk encryption, BIOS and UEFI, and the phone in your pocket that logs onto your corporate Wi-Fi every morning. Mike opens with the an...

Least privilege best practices start with one uncomfortable question: does this person actually need this access? A hospital in Portugal answered yes for everybody, gave every employee doctor-level access to patient records, and got hit with a 400,000 euro GDPR fine. The court's read was that they hadn't even attempted the concept. Mike Saylor, Prasanna, and I get into what least privilege really means, then move straight to the part nobody wants to talk about: where you start when everybody al...

Password length vs complexity isn't a close call. Dr. Mike Saylor joins Curtis and Prasanna to explain why the capital letter, the number, and the special character your bank demands do less for you than simply adding characters. Mike walks through the rainbow table project — an operation that has spent years computing password hashes nonstop and will sell you 20 terabytes of the results. Nobody cracks your password. They look it up. The catch, and the whole reason this episode matters, is that...

RDP security best practices come down to one rule most admins break on day one: that protocol has no business facing the internet. Dr. Mike Saylor and Prasanna Malaiyandi join me to break down why RDP earned the nickname Ransomware Deployment Protocol, who's out there scanning for your open port right now, and what to actually do about it. Here's the part that gets me. Every Windows box ships with this thing turned on. You didn't ask for it. Nobody handed you a manual. It's just there, running,...

Phishing resistant MFA is the difference between a bad guy getting one email address and a bad guy getting your entire company's inbox. On this episode, Prasanna, Dr. Mike Saylor, and I dig into why plain old multi-factor authentication isn't the finish line anymore; it's the starting line. We open with a real attack: a vulnerable REDCap database, stolen Google Workspace admin credentials, and email forwarding rules quietly running for over a year before anyone noticed. From there Mike breaks d...

Backup security best practices start with one uncomfortable truth: if you haven't checked your backup server for a default password, someone else might check it for you. In this episode, Prasanna and Mike Saylor join me to dig into how backup systems become the easiest way into your network — and the easiest way out for stolen data. We walk through the real story of a red teamer who used a backup server's weak credentials to restore a domain controller straight outside the company's firewall, th...

Building a cybersecurity culture in your company doesn't take a bigger budget — it takes a weekly habit. In this final episode of our encore series, returning guest snorkel42, a longtime Reddit voice in InfoSec, breaks down how he turned a company with zero dedicated security staff into one with a real security culture, just by committing to one small improvement every week instead of waiting on the next six-figure product. We picked this one to bring back because of how it performed with you —...

Cybersecurity best practices for individuals aren't complicated — they're just often ignored, and that's exactly what this encore episode digs into. This is a rerun of one of our most-engaged episodes, brought back not just because of how many people downloaded it, but because of how much of it people actually stuck around for. Curtis and Prasanna sat down with Mark Shriner, host of the SecureTalk podcast, for a wide-ranging conversation about what it actually takes to protect yourself online — ...

Ransomware lateral movement is exactly what it sounds like — once an attacker's inside your network, they start crawling around looking for more to encrypt, and stopping that crawl is often the difference between a bad day and a catastrophe. In this encore episode, part four of our seven-episode series pulling the best of the archives back into your feed, W. Curtis Preston and Prasanna Malaiyandi sit down with networking expert Tom Hollingsworth to break down exactly how attackers move once they...

This episode is built around a ransomware response checklist — a three-part Reddit series by a security specialist who goes by snorkel42, breaking down exactly how to prevent, contain, and recover from a ransomware attack. This is an encore episode, and it's back not just because a lot of people downloaded it originally, but because so many of you listened all the way through — some of you more than once. That kind of engagement told us this one was worth bringing back. Curtis Preston and Pras...

How to protect backups from ransomware starts with a hard truth: attackers aren't just encrypting your data anymore, they're stealing it first — and no backup system on earth undoes an exfiltration. In this encore episode of The Backup Wrap-Up, Curtis and Prasanna dig into what real immutability looks like versus the marketing version, why root access quietly undermines most "immutable" storage claims, the difference between virtual and true physical air gaps, and the exact questions you should ...

What is data deduplication, and why does Curtis call it the single most important development in backup over the last 30 years? In this encore episode, W. Curtis Preston and Prasanna Malaiyandi break down exactly how dedupe works, why it's not the same as compression, and why the fine print of your dedupe domain determines how much storage you actually save. This episode originally aired as part of the Backup to Basics series, and it's back because listeners couldn't get enough of it — not just...

Phishing-resistant MFA could have stopped a Chinese state-sponsored threat actor from spending over a year inside North American academic and medical research networks — and we're going to tell you exactly how it happened and what you need to do about it. A group called UNC5608, tracked by Google's Threat Intelligence Group (GTIG), exploited a vulnerability unique to REDCap — a research data platform that allows multiple software versions to run simultaneously. They got in via stolen admin cred...

California election fraud claims are flooding social media — and most of them fall apart under basic scrutiny. In this follow-up episode, longtime San Diego County poll worker W. Curtis Preston tackles the wave of viral fraud allegations head-on, with sources so you can check his work yourself. Topics covered: the LA mayoral race "statistically impossible" surge for Nithya Raman, the AP reporting error that got blamed on fraud, claims that Spencer Pratt voters were having ballots rejected for s...

California election counting has confused — and frankly ticked off — a lot of people, and I get it. I'm W. Curtis Preston, I've worked every California election since the 2016 presidential primary, and I've managed the polls at multiple elections here in San Diego County. This episode, I'm going solo to explain exactly what's going on, why it takes so long, what the "red mirage" actually is, and why none of it is fraud. Sorry to disappoint some of you. If you've ever had a family member call yo...

Basic cyber hygiene — patch management, password management, and MFA — is responsible for stopping roughly 90% of the ransomware attacks that could hit your organization. This episode is the overview: what those three things are, why they matter, and what happens when you skip them. WannaCry infected over 200,000 systems worldwide. A patch existed. People just hadn't applied it. Rackspace lost an entire business line — not because the attack was sophisticated, but because a workaround gave them...

Claude deletes a company — and the internet immediately blamed the AI. But this story is really about backup design, credential management, and least privilege. An AI coding agent running Claude via Cursor deleted PocketOS's entire production database and all its backups in nine seconds. One bad design decision at a time, a startup built itself a disaster waiting to happen. Claude just happened to be the thing that set it off. Here's what you need to understand: the AI violated the principles i...

Honeypots and canary files are two of the most underused tools in cybersecurity — and in this episode, Dr. Mike Saylor and I break down exactly how they work and why you should be using them. The short version: they're tripwires. They tell you a bad guy is poking around your network before anything gets encrypted. Mike walks through his layered security analogy, explains the three different ways organizations use honeypots — learning attacker tactics, distraction, and testing — and then we get ...

Network segmentation to prevent ransomware isn't just a nice-to-have — the UCSF ransomware attack proves it's what separates a contained incident from a catastrophe. UCSF got hit. Their segmented network kept the damage from spreading across their entire operation. That's the difference we're talking about in this episode. Dr. Mike Saylor — my co-author on Learning Ransomware Response and Recovery — joins me and Prasanna to break down exactly how network segmentation works, why it matters for r...

Stop Using VSS as a Backup Before Ransomware Deletes Your Shadow Copies Ransomware deletes shadow copies using your own built-in Windows tools against you — and if VSS was your backup plan, you just found out the hard way that it wasn't. In this episode, W. Curtis Preston (Mr. Backup), Prasanna Malaiyandi, and Dr. Mike Saylor break down exactly what shadow copies are, why they don't qualify as a real backup, and how attackers are weaponizing vssadmin to wipe your recovery options before you even...

Ransomware sanctions are something most companies never think about — until they're staring down a ransom demand from a group the US government has already put on a sanctions list. In this episode, Dr. Mike Saylor walks us through a real incident involving a construction company, hundreds of millions in active contracts, and the Lazarus Group — a North Korean state-sponsored threat actor. Before that company could pay a single dollar in ransom, they had to figure out whether doing so would trigg...

The cost of a ransomware attack goes way beyond the ransom itself — and most organizations don't find that out until it's too late. In this episode of The Backup Wrap-up, W. Curtis Preston (Mr. Backup) and co-host Prasanna Malaiyandi sit down with Dr. Mike Saylor of Black Swan Cybersecurity to walk through every category of cost that hits when ransomware strikes. The case that kicks everything off: UVM Health Network, October 2020. Over 1,300 servers encrypted, staff forced back to paper record...