Windows 10: Unable to see found threats Microsoft Defender

OlivierD'Anjou · Jun 4, 2021

Hello, Yesterday, my computer sent me a notification that actions were taken for threats found. However, I’m unable to see what are these when I go to Virus and Threat history. It worries me a bit. Sometimes, Microsoft Defender can be wrong and I maybe need this file. I saw there was only one file seen as a threat. I made a full scan afterwards and no more threats were found. I have no idea what it could be. Regards, Olivier Olivier

:)

Try3 · Jun 4, 2021

Windows defender false positive - forced to allow threat

Windows defender has started to identify C:\Windows\System32\mshta.exe as a threat [normally reported as a Trojan Powessere.G]. I use mshta.exe to run an hta custom MsgBox - I have been hoping to keep using my current CustomMsgBox tool [batch file calling a vbs-hta file] until later this year when I hope to have had enough time to replace it with a PowerShell alternative.

Windows defender's notification lets me "allow the threat" but that seems to me to be a bigger security hole than is necessary - it will now ignore a potentially real intrusion when all I want to run is a genuine Windows component. My immediate problem is fixed but I would prefer to fix the false positive using the exclusions list.

I cleared the 'Allowed threats history' so I could use the exclusions list instead. I added C:\Windows\System32\mshta.exe to the file exclusions list and I checked that it had taken properly by checking the exclusions list both in the UI & in the Registry. But the exclusion made no difference, it continued to detect and block the exe.

I have repeated the attempt several times [by clearing the allowed threats list & exclusions list beforehand] and the results are the same every time
- allowing the threat works,
- using the exclusions list has no effect.

I studied the relevant tutorial but have not spotted an error in what I have been doing - Add or Remove Windows Defender Exclusions

Does anybody with experience of using the exclusions list to counter false positives have any suggestions for me?

Denis

Brink · Jun 4, 2021

Announcing Microsoft Threat Experts

We’re excited to introduce Microsoft Threat Experts, an additional layer of expertise and optics that Microsoft customers can utilize to augment security operations capabilities as part of Microsoft 365. This new managed threat hunting service in Windows Defender Advanced Threat Protection provides proactive hunting, prioritization, and additional context and insights that further empower security operations centers (SOCs) to identify and respond to threats quickly and accurately.

Microsoft Threat Experts enables SOCs to jump-start threat investigations by providing context-rich intelligence. This release of the service includes 2 capabilities:

Targeted attack notifications: Alerts that are tailored to organizations provide as much information as can be quickly delivered to bring attention to critical threats in their network, including the timeline, scope of breach, and the methods of intrusion.

Experts on demand: When a threat exceeds the SOC’s capability to investigate, or when more actionable information is needed, security experts provide technical consultation on relevant detections and adversaries. In cases where a full incident response becomes necessary, seamless transition to Microsoft incident response (IR) services is available.

hMYOb81kDYE
Microsoft Threat Experts

With Microsoft Threat Experts, SOCs can further improve defenses by tapping into our world-class security analysts. These experts deeply understand the security landscape and attacker techniques, have intimate knowledge of operating systems, and know how to get the most out of Windows Defender ATP’s features and capabilities. Our experience in battling attackers across more than a billion devices worldwide, together with the artificial intelligence (AI) necessary to harness such unprecedented optics and scale, makes our expert team unique and unmatched in the industry.

The next sections describe the two components of this new service in more detail.

Targeted attack notifications

Microsoft Threat Experts provides proactive hunting for the most important threats, such as human adversary intrusions, hands-on-keyboard attacks, and advanced attacks like cyberespionage. The managed threat hunting service includes:

Threat monitoring and analysis, reducing attacker dwell time and risk to business

Hunter-trained AI to discover and prioritize both known and unknown attacks

Identifying the most important risks, helping SOCs maximize time and energy

Scope of compromise and as much context as can be quickly delivered to enable fast SOC response

Custom Threat Experts alert in Windows Defender Security Center

Experts on demand

Customers can partner with Microsoft security experts, who can be engaged directly from within Windows Defender Security Center, for timely and accurate response. Experts provide insights needed to better understand complex threats, from the latest zero-day exploit to the root cause of a suspicious network connection. Through Microsoft Threat Experts, customers can:

Get additional clarification on alerts including root cause or scope of the incident

Gain clarity into suspicious machine behavior and recommended next steps if faced with an advanced attacker

Determine risk and protection regarding threat actors, campaigns, or emerging attacker techniques

Seamlessly transition to Microsoft Incident Response (IR) services when necessary

Ask a Threat Expert button in Windows Defender Security Center

Partnership for improved security

In today’s climate of cybersecurity challenges, organizations must fend off relentless attacks even as they go through their journey of building and maturing their security capabilities. Through Microsoft Threat Experts, customers can partner with Microsoft throughout this journey to augment security operations capabilities to prevent, detect, and respond to threats. Customers and Microsoft can build upon each other’s expertise, intelligence, and insight through this partnership, forming stronger defense against adversaries.

To illustrate the depth of intelligence and the value of the service to customers’ security defenses and overall security posture, we published two case studies for Microsoft Threat Experts on (1) human adversary-based activities related to a zero-day vulnerability and (2) complex “living off the land” threats.

Windows Defender ATP customers can now apply for preview through the Windows Defender Security Center. We will contact customers via email to confirm their participation.

Not yet reaping the benefits of Windows Defender ATP’s industry-leading optics and detection capabilities? Sign up for free trial today.
Click to expand...

Source: Announcing Microsoft Threat Experts - Microsoft Security

See also: Microsoft Threat Experts: Case studies for managed threat hunting service - Microsoft Tech Community - 358244

Tweet

— Twitter API (@User) View on Twiiter

Brink · Jun 4, 2021

Announcing Microsoft Threat Experts

We’re excited to introduce Microsoft Threat Experts, an additional layer of expertise and optics that Microsoft customers can utilize to augment security operations capabilities as part of Microsoft 365. This new managed threat hunting service in Windows Defender Advanced Threat Protection provides proactive hunting, prioritization, and additional context and insights that further empower security operations centers (SOCs) to identify and respond to threats quickly and accurately.

Microsoft Threat Experts enables SOCs to jump-start threat investigations by providing context-rich intelligence. This release of the service includes 2 capabilities:

Targeted attack notifications: Alerts that are tailored to organizations provide as much information as can be quickly delivered to bring attention to critical threats in their network, including the timeline, scope of breach, and the methods of intrusion.

Experts on demand: When a threat exceeds the SOC’s capability to investigate, or when more actionable information is needed, security experts provide technical consultation on relevant detections and adversaries. In cases where a full incident response becomes necessary, seamless transition to Microsoft incident response (IR) services is available.

hMYOb81kDYE
Microsoft Threat Experts

With Microsoft Threat Experts, SOCs can further improve defenses by tapping into our world-class security analysts. These experts deeply understand the security landscape and attacker techniques, have intimate knowledge of operating systems, and know how to get the most out of Windows Defender ATP’s features and capabilities. Our experience in battling attackers across more than a billion devices worldwide, together with the artificial intelligence (AI) necessary to harness such unprecedented optics and scale, makes our expert team unique and unmatched in the industry.

The next sections describe the two components of this new service in more detail.

Targeted attack notifications

Microsoft Threat Experts provides proactive hunting for the most important threats, such as human adversary intrusions, hands-on-keyboard attacks, and advanced attacks like cyberespionage. The managed threat hunting service includes:

Threat monitoring and analysis, reducing attacker dwell time and risk to business

Hunter-trained AI to discover and prioritize both known and unknown attacks

Identifying the most important risks, helping SOCs maximize time and energy

Scope of compromise and as much context as can be quickly delivered to enable fast SOC response

Custom Threat Experts alert in Windows Defender Security Center

Experts on demand

Customers can partner with Microsoft security experts, who can be engaged directly from within Windows Defender Security Center, for timely and accurate response. Experts provide insights needed to better understand complex threats, from the latest zero-day exploit to the root cause of a suspicious network connection. Through Microsoft Threat Experts, customers can:

Get additional clarification on alerts including root cause or scope of the incident

Gain clarity into suspicious machine behavior and recommended next steps if faced with an advanced attacker

Determine risk and protection regarding threat actors, campaigns, or emerging attacker techniques

Seamlessly transition to Microsoft Incident Response (IR) services when necessary

Ask a Threat Expert button in Windows Defender Security Center

Partnership for improved security

In today’s climate of cybersecurity challenges, organizations must fend off relentless attacks even as they go through their journey of building and maturing their security capabilities. Through Microsoft Threat Experts, customers can partner with Microsoft throughout this journey to augment security operations capabilities to prevent, detect, and respond to threats. Customers and Microsoft can build upon each other’s expertise, intelligence, and insight through this partnership, forming stronger defense against adversaries.

To illustrate the depth of intelligence and the value of the service to customers’ security defenses and overall security posture, we published two case studies for Microsoft Threat Experts on (1) human adversary-based activities related to a zero-day vulnerability and (2) complex “living off the land” threats.

Windows Defender ATP customers can now apply for preview through the Windows Defender Security Center. We will contact customers via email to confirm their participation.

Not yet reaping the benefits of Windows Defender ATP’s industry-leading optics and detection capabilities? Sign up for free trial today.
Click to expand...

Source: Announcing Microsoft Threat Experts - Microsoft Security

See also: Microsoft Threat Experts: Case studies for managed threat hunting service - Microsoft Tech Community - 358244

Tweet

— Twitter API (@user) View on Twiiter
Click to expand...

Windows 10: Unable to see found threats Microsoft Defender

Unable to see found threats Microsoft Defender

Unable to see found threats Microsoft Defender

Unable to see found threats Microsoft Defender

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