Cyber risk and advisory programs that identify security gaps and build strategies to address them.
MDR that provides improved detection, 24/7 threat hunting, end-to-end coverage and most of all, complete Response.
Our team delivers the fastest response time in the industry. Threat suppression within just 4 hours of being engaged.
Visibility and response across your entire Microsoft security ecosystem.
XDR with Machine Learning that eliminates noise, enables real-time detection and response, and automatically blocks threats.
Be protected by the best from Day 1.
24/7 Threat Investigation and Response.
Expert threat hunting, original research, and proactive threat intelligence.
TRU is foundational to our MDR service. No add-ons or additional costs required.
Stop ransomware attacks before they disrupt your business.
Detect and respond to zero-day exploits.
Protect against third-party and supply chain risk.
Adopt a risk-based approach to cybersecurity.
Protect your most sensitive data.
Meet cybersecurity regulatory compliance mandates.
Eliminate misconfigurations and policy violations.
Prevent business disruption by outsourcing MDR.
Meet insurability requirements with MDR.
Defend brute force attacks, active intrusions and unauthorized scans.
Safeguard endpoints 24/7 by isolating and mediating threats to prevent lateral spread.
Enhance investigation and threat detection across multi-cloud or hybrid environments.
Remediate critical misconfigurations, security vulnerabilities and policy violations across cloud and containerized environments.
Detect malicious insider and identity-based behavior leveraging machine learning models.
Our Threat Response Unit (TRU) publishes security advisories, blogs, reports, industry publications and webinars based on its original research and the insights driven through proactive threat hunts.
eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 2000+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company's mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
We provide sophisticated cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). Find out why you should partner with eSentire, the Authority in Managed Detection and Response, today.
We believe a multi-signal approach is paramount to protecting your complete attack surface. See why eSentire MDR means multi-signal telemetry and complete response.
See how our 24/7 SOC Cyber Analysts and Elite Threat Hunters stop even the most advanced cyberattacks before they disrupt your business.
Choose the right mix of Managed Detection and Response, Exposure Management, and Incident Response services to strengthen your cyber resilience.
Try our interactive tools including the MITRE ATT&CK Tool, the SOC Pricing Calculator, the Cybersecurity Maturity Assessment, and our MDR ROI Calculator.
Read the latest security advisories, blogs, reports, industry publications and webinars published by eSentire's Threat Response Unit (TRU).
See why 2000+ organizations count on eSentire to build resilience and prevent business disruption.
The eSentire Threat Intelligence team released their findings and analysis of cybersecurity incidents from the first quarter of 2018. Overall, they saw a dramatic increase in attacks targeting consumer-grade routers, increasing 539% from Q4, 2017. The majority of hostile detections on the eSentire threat detection surface pertain to perimeter threats: Information Gathering, Intrusion Attempts, and Reputation Blocks. Furthermore, threats beyond the perimeter, such as Malicious Code (+35%) and Phishing (+39%) both saw increases in the first quarter of 2018.
But perhaps the most interesting observation was the spike in critical endpoint attacks. Data from esENDPOINTTM customers showed heavy use of legitimate Microsoft binaries such as PowerShell and MSHTA. These are popular tools that practically every business uses and what the data reveals, is that attackers are leveraging these tools to cloak covert attacks. The tools are used for downloading and executing malicious code in the initial stages of a malware infection. PowerShell can also be leveraged by adversaries to reduce their on-disk footprint and evade detective controls by operating in memory and obfuscating command-line parameters.
In this blog, we’re going to take a closer look at rising attacks like PowerShell and why they present a particularly dangerous threat to your business.
Once attackers establish a beachhead, they look to utilize tools that are available to them in order progress towards their goal. Attackers generally like to “live off the land,” which means use or leverage whatever tools are available to them within the environment they’re attempting to penetrate. PowerShell is an attractive tool to attackers due to the nature of its capabilities and accessibility within the environments used by System Administrators. PowerShell is extremely powerful and provides a way—through programmatic scripting—to carry out malicious activities with ease.
PowerShell attacks are highly effective due to the fact that the capability is readily available in most environments that are Microsoft/Windows-based; which is typically a large part of the market. Additionally, based on the general architecture of PowerShell, how it works and how it can be used, it is generally very easy to hide within the “noise.” The capabilities that are used are not usually monitored within customer environments, making it easy for attackers to obfuscate (or hide/disguise) the activities they’re carrying out.
Potentially malicious PowerShell activity is difficult to detect due to some of the reasons already described, including:
Additionally, unlike other techniques, like malware-related attacks, PowerShell attacks are generally considered fileless and often run in memory space when carrying out activities, which adds to the detection complexity. But the overwhelming challenge, for most customers, is the reality of false-positive detections that require significant resources to review and respond to.
The Kaseya discovery highlights two key things: first, the general effectiveness of the attackers in their ability to broadly impact organizations globally leveraging PowerShell and effectively avoiding detection in almost all cases. Secondly, it highlights the importance of not only prevention, but an ability to detect (anomalous) activities, to dig in and investigate, and to ultimately respond (rapidly) to threats. The Kaseya incident impacted a large portion of users globally, and yet went largely unnoticed. The reality is that while the enablement of PowerShell increases the risk to organizations, the benefits outweigh the negative (potential) impacts through automation and management of complex networks. The Kaseya incident leveraged a crypto-jacking/mining threat that was stealing resources globally for nefarious means; the situation could have been significantly worse if the attackers had utilized the vulnerability to broadly distribute something like ransomware, which could have been much more devastating for organizations.
eSentire invented a highly integrated technology stack that enables unparalleled visibility into our mid-market customer networks, and agile real-time threat response capabilities. This report provides a quarterly snapshot, analyzing all events investigated by the eSentire SOC, while addressing three topics: threat types, threat volume and attack types. Each topic is divided into multiple sections, including visual data analysis, written analytical analysis, practical recommendations and key assumptions.