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Building Zero Trust networks with Microsoft 365

Building Zero Trust networks with Microsoft 365

The traditional perimeter-based network defense is obsolete. Perimeter-based networks operate on the assumption that all systems within a network can be trusted. However, todays increasingly mobile workforce, the migration towards public cloud services, and the adoption of Bring Your Own ... continue reading
Windows Defender System Guard runtime attestation architecture

Introducing Windows Defender System Guard runtime attestation

At Microsoft, we want users to be in control of their devices, including knowing the security health of these devices. If important security features should fail, users should be aware. Windows Defender System Guard runtime attestation, a new Windows platform ... continue reading
Mitigating and eliminating info-stealing Qakbot and Emotet in corporate networks

Mitigating and eliminating info-stealing Qakbot and Emotet in corporate networks

The threat to information is greater than ever, with data breaches, phishing attacks, and other forms of information theft like point-of-sale malware and ATM hacks becoming all too common in today's threat landscape. Information-stealing trojans are in the same category ... continue reading
Protecting Domain Administrative Credentials

Protecting Domain Administrative Credentials

Hello, Paul Bergson back again with today’s topic of preventing your Domain Administrators and other privileged identities from logging into Tier 1 and Tier 2 devices. Credential theft protection is always an important step in protecting the enterprise. While your ... continue reading
Hardening the system and maintaining integrity with Windows Defender System Guard

Hardening the system and maintaining integrity with Windows Defender System Guard

One of the things we spend a great deal of time thinking about here at Microsoft is how attackers will attempt to persist and evade detection once they’ve successfully compromised a device. With Windows 10 we’ve made it more difficult ... continue reading
PAW host buildout

PAW host buildout

Continuing with the PAW series, in this blog post, I'd like to share the details of what we are planning to configure the host. I'd love to hear your thoughts, feedback about the design. For a recap on the PAW ... continue reading
Ransomware 1H 2017 review: Global outbreaks reinforce the value of security hygiene

Ransomware 1H 2017 review: Global outbreaks reinforce the value of security hygiene

In the first six months of 2017, ransomware threats reached new levels of sophistication. The same period also saw the reversal of a six-month downward trend in ransomware encounters. New ransomware code was released at a higher rate with increasing ... continue reading
Windows 10 platform resilience against the Petya ransomware attack

Windows 10 platform resilience against the Petya ransomware attack

The Petya ransomware attack on June 27, 2017 (which we analyzed in-depth in this blog) may have been perceived as an outbreak worse than last month's WannaCrypt (also known as WannaCry) attack. After all, it uses the same SMB exploit ... continue reading
New ransomware, old techniques: Petya adds worm capabilities

New ransomware, old techniques: Petya adds worm capabilities

(Note: We have published a follow-up blog entry on this ransomware attack. We have new findings from our continued investigation, as well as platform mitigation and protection information: Windows 10 platform resilience against the Petya ransomware attack.) On June 27, ... continue reading
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