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Dennis Fisher

Editor in Chief

Dennis Fisher is an award-winning journalist who has been covering information security and privacy since 2000.

He is one of the co-founders of Threatpost and previously wrote for TechTarget and eWeek, when magazines were still a thing that existed. Dennis enjoys finding the stories behind the headlines and digging into the motivations and thinking of both defenders and attackers. His work has appeared in The Boston Globe, The Improper Bostonian, Harvard Business School’s Working Knowledge, and most of his kids’ English papers.

Featured Articles

1182 articles by Dennis Fisher

New TA505 Campaign Uses Signed Files to Drop ServHelper Malware

TA505, a well-known cybercrime group, is using signed MSI files and other techniques to install the ServHelper RAT on victims' systems.

Ransomware, Malware

Attackers Scanning for Exchange Servers Vulnerable to ProxyShell

Details of the ProxyShell Exchange server flaws are now public and attackers have begun scanning the Internet for vulnerable servers.

Microsoft

Fundamental Flaw in RNGs Affects Many IoT Devices

The use of weak random number generators in many IoT devices undermines the security of the encryption keys those devices generate.

Iot Security

‘Imagination Makes Us Better Hackers’

CISA Director Jen Easterly said the agency's new Joint Cuber Defense Collaborative seeks imagination and innovation in the hacker community to help secure critical infrastructure.

Black Hat, CISA, Government

Supply Chain Security: ‘The Government Is Not Going to Fix This’

At Black Hat, Matt Tait of Corellium said the supply chain security problem may get far worse if platform providers don't step in to address it.

Blackhat, Supply Chain