Only Malware in the Building

Only Malware in the Building

"Only Malware in the Building" is a monthly segment crafted through a collaboration between N2K CyberWire and the Proofpoint DISCARDED podcast. Hosted by Selena Larson, this segment focuses on the most impactful and intriguing malware stories. Its aim is to distill complex cybersecurity information into digestible, insightful segments for tech professionals, providing security executives a clear and engaging "so what" that is actionable.
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Recent Episodes

Ep 11 | 4.1.25

Hello? Is it malware you’re looking for?

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 N2K Networks Dave Bittner —and our newest totally unbiased co-host, Archy, a highly sophisticated AI robot who swears they have no ulterior motives (but we’re keeping an eye on them just in case). 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, our hosts discuss Telephone-Oriented Attack Delivery (TOAD), also known as callback phishing. In this type of attack, an attacker sends a seemingly benign email, often containing an invoice or payment notification, along with a phone number. When the victim calls, they speak with the attacker, who convinces them to install remote access tools, leading to malware installation, phishing, and financial theft. Tune in as we explore how this deceptive tactic works and ways to protect yourself from falling victim to it.

Ep 10 | 3.4.25

The new malware on the block.

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 N2K Networks Dave Bittner —and our newest totally unbiased co-host, Archy, a highly sophisticated AI robot who swears they have no ulterior motives (but we’re keeping an eye on them just in case). 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 talk about the latest shake-ups in the fake update threat landscape, including two new cybercriminal actors, fresh Mac malware, and the growing challenge of tracking these evolving campaigns.

Ep 9 | 2.4.25

Cyber Groundhog Day and romance scams.

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 N2K Networks Dave Bittner and Rick Howard to uncover the stories behind notable cyberattacks. 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 and since it is February (the month of love as Selena calls it), we talk about romance scams known throughout the security world as pig butchering. And, Rick's experiencing a bit of a Cyber Groundhog Day in his newly-realized retirement.

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Ep 8 | 1.7.25

Malware metamorphosis: 2024 reflections and 2025 predictions.

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 N2K Networks Dave Bittner and Rick Howard to uncover the stories behind notable cyberattacks. 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 talk about the year's most impactful cyber trends and incidents—from the Snowflake hack and Operation Endgame to the rise of multi-channel scams and explosive growth in web inject attacks. Ransomware continued to wreak havoc, especially in healthcare, while callback phishing and MFA-focused credential attacks kept defenders on high alert. Join us as we reflect on these challenges and look ahead to what’s next in 2025.

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Ep 7 | 12.3.24

A cyber carol.

Welcome in! You’ve entered, Only Malware in the Building. Grab your eggnog and don your coziest holiday sweater as we sleuth our way through cyber mysteries with a festive twist! 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 N2K Networks Dave Bittner and Rick Howard to uncover the stories behind notable cyberattacks. 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, our cyber ghosts delve into the past, present, and future of some of the season’s most pressing threats: two-factor authentication (2FA), social engineering scams, and the return to consumer-targeted attacks. Together, Rick, Dave, and Selena deliver a ghostly—but insightful—message about the state of cybersecurity, past, present, and future. Can their advice save your holiday season from digital disaster? Tune in and find out. May your holidays be merry, bright, and free of cyber fright!

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Only Malware in the Building
Host(s)
Selena Larson
Keith Mularski
Dave Bittner
Selena Larson is a Staff Threat Researcher and Lead, Intelligence Analysis and Strategy at Proofpoint on the Threat Research team. She collaborates with fellow researchers to identify and investigate advanced cybercriminal threats and develop actionable threat intelligence. Previously, she was a Cyber Threat Analyst for the industrial cybersecurity firm, Dragos, and a cybersecurity and privacy journalist.
Keith Mularski is the Chief Global Ambassador for Qintel and a retired FBI Special Agent with extensive experience in cybercrime investigations and intelligence operations. He previously led major cybercrime takedowns and held leadership roles bridging public and private sector cybersecurity efforts, including as a cybersecurity executive at Ernst & Young. He continues to collaborate with global partners to combat cyber threats and protect critical infrastructure.
Dave Bittner is a security podcast host and one of the founders at CyberWire. He's a creator, producer, videographer, actor, experimenter, and entrepreneur. He's had a long career in the worlds of television, journalism and media production, and is one of the pioneers of non-linear editing and digital storytelling.
Schedule: Monthly
Creator: N2K
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