Bitdefender PHASR Attack Surface Reduction │ Black Diamond Solutions

THE PROBLEM WITH TRUSTED TOOLS

Attackers Aren't Breaking In — They're Logging In and Using Your Own Tools

Modern attacks hide inside legitimate utilities like PowerShell, RDP, and WMIC — activity your detection stack can flag but rarely block. BDS sources PHASR for organizations facing these exact scenarios in the field.

Your EDR Sees the Attack. It Can't Stop It.

The overwhelming majority of major incidents now involve abuse of native OS tools — signed, trusted, and required for daily operations. When an attacker runs PowerShell or RDP, your EDR generates an alert, not a block, because intent lives in shades of gray. Triage takes time, and attackers exploit that window to escalate, move laterally, and deploy ransomware. BDS helps organizations close this gap with proactive hardening that removes the attack path before detection is ever needed.

See How PHASR Closes the Gap

Alert Fatigue Is Burying Your Team

Lean security teams spend hours investigating alerts triggered by legitimate tool usage — trying to discern intent behind trusted activity. The volume is unsustainable, and real threats risk getting lost in the noise while analysts chase gray-area behavior.

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Allowlisting Broke Down in Practice

Application control sounded airtight until third-party dependencies, exception sprawl, and productivity complaints made it unmanageable. Once a binary is allowlisted, it usually stays allowlisted indefinitely — leaving known policy gaps your team has quietly stopped revisiting.

Learn How PHASR Makes a Difference

You Can't See Your Real Attack Surface

A fresh endpoint ships with more than a hundred built-in binaries attackers can abuse, and most organizations have no inventory of which tools are enabled, which are used, and which are silently exposed. You cannot reduce risk you cannot measure.

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Insurers and Auditors Want Proof

Cyber insurance renewals and compliance reviews increasingly demand documented, quantifiable attack surface reduction — not just detection counts. Organizations need hardening controls that produce measurable, reportable risk reduction leadership can stand behind.

Learn How PHASR Helps

DYNAMIC ATTACK SURFACE REDUCTION

Inside GravityZone PHASR — Hardening That Learns Every User

PHASR pioneered Dynamic Attack Surface Reduction: AI-driven hardening tailored to each individual user, not a static rulebook. Browse the core capabilities available through BDS.

Tailored Hardening

Every user works differently — so PHASR protects them differently. AI algorithms build a unique behavioral profile for each user-endpoint combination, identifying which tools each person actually needs and flagging everything else as removable attack surface.

Builds per-user, per-endpoint behavioral profiles from observed activity, not job titles
Separates a privileged user's workstation profile from their server admin profile
Groups similar behavioral profiles to apply consistent rules with less complexity
Compares user behavior against continuously updated threat actor tactics

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infographic showing how PHASR attack surface reduction uses AI technology for tailored hardening on a per user level.

Dynamic Attack Surface Reduction

Static rules go stale the day you write them. PHASR continuously learns as behaviors change, threat intelligence updates, and new attack vectors emerge — adjusting hardening policies autonomously without adding administrative overhead.

Adapts hardening automatically as user behavior evolves over time
Incorporates Bitdefender Labs threat intelligence updated continuously
Eliminates the stale-exception problem that undermines static allowlisting
Reduces policy management burden instead of adding to it

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infographic showing how PHASR attack surface reduction learns users behaviors to create a security posture that is tailored at the user level.

Precise, Action-Level Control

PHASR blocks risky actions inside allowed tools rather than banning the tools outright — PowerShell keeps working for admins while obfuscated commands are stopped. Enforcement spans 750+ rules across five monitored activity categories.

Allows WMIC for system queries while blocking lateral movement commands
Monitors LOLBins, tampering tools, piracy tools, cryptominers, and remote admin tools
Preserves legitimate productivity — no business disruption from blunt blocking
Deprives attackers of their playbook without touching daily workflows

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Autopilot Protection

Choose the operating model that fits your team. Autopilot applies hardening recommendations automatically as threats evolve — ideal for lean teams. Direct Control surfaces every recommendation for admin review and selective enforcement.

Autopilot mode hardens continuously with no manual intervention required
Direct Control mode keeps every policy decision in your team's hands
Switch between modes as your operational maturity changes
Quantifies the risk reduction of each recommendation before you enforce it

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FIT PHASR TO YOUR STACK

How PHASR Fits Your Existing Security Investment

PHASR augments what you already run — it does not replace it. BDS helps you select the right licensing path and coverage model, with one account manager from quote to activation.

Application Risk Metrics & Reporting

PHASR's dashboard quantifies attack surface exposure and the risk reduction tied to each recommendation — before you enforce anything. It delivers the documented, reportable posture improvement that insurers, auditors, and boards increasingly require.

Quantifies risk reduction per recommendation before enforcement
Tracks security posture improvement over time across the fleet
Surfaces per-user and per-application exposure in one view

New Solution

Standalone License for Third-Party EDR

Running CrowdStrike, SentinelOne, or another EDR/XDR? PHASR is available standalone and compatible with any third-party detection stack — no rip-and-replace, no uninstalls, and no disruption to your existing investment.

Compatible with any third-party EDR/XDR tool
Deploys alongside existing agents without conflicts
Adds a prevention layer your detection stack lacks

Add-on

GravityZone Enterprise & MDR Add-On

Already on GravityZone? PHASR activates as an add-on license to GravityZone Business Security Enterprise, Bitdefender MDR offerings, and GravityZone Cloud MSP Security — and existing EDR customers can shorten the learning phase to near zero using historical data.

Activates within the existing GravityZone console in minutes
Historical EDR data can reduce the learning phase to near zero
One platform for security, risk, and compliance management

Cross-Platform Coverage

LOTL techniques target every operating system — not just Windows. PHASR delivers consistent, granular hardening across Windows, macOS, and Linux environments from a single policy framework.

Consistent protection across Windows, macOS, and Linux endpoints
Single policy framework for mixed-OS environments
Covers the Unix and macOS binaries most hardening tools ignore

BDS ADVISORY DEPTH

Choosing and Sourcing PHASR With Confidence

For buyers evaluating hardening approaches — how BDS frames the decision, and what working with BDS actually looks like.

Why Static Hardening Approaches Fall Short

Most attack surface reduction tools rely on fixed rule sets, domain-wide exceptions, or controls that activate only after suspicious activity is detected. Anything outside the rulebook passes unchallenged. BDS helps buyers evaluate hardening options against the criteria that matter: adaptability, baselining speed, OS coverage, and administrative burden.

Evaluate baselining time — some tools require 90 to 365 days before acting Confirm coverage beyond Windows before committing to a platform Weigh ongoing exception management burden against your team's capacity

How BDS Sources PHASR for Your Organization

BDS pairs every engagement with a dedicated account manager who guides evaluation, licensing selection, and procurement — then stays your long-term point of contact. Manufacturer support runs through Bitdefender's official programs, while BDS remains your relationship-focused advisor through renewals, roadmap discussions, and future planning.

One dedicated account manager from first conversation through renewal Licensing path guidance: standalone, GravityZone add-on, or MDR-included Technology industry experience dating back to the early 1990s

Documented Risk Reduction for Audits and Renewals

PHASR's quantified attack surface metrics give security leadership defensible evidence of proactive hardening — the control category insurers and compliance frameworks increasingly ask about by name. BDS helps you position PHASR's reporting within your renewal and audit documentation.

Quantified, exportable attack surface reduction metrics Demonstrates proactive hardening controls beyond detection tooling Supports cyber insurance renewal and audit evidence requirements

BITDEFENDER GOLD PARTNER

Ready to Shrink Your Attack Surface?

BDS makes sourcing PHASR simple — the right license, a clear quote, and one account manager throughout.

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PROVEN AND RECOGNIZED

The Numbers Behind PHASR — and the Partner Behind Your Purchase

Independent evaluations, vendor research, and BDS's own Bitdefender credentials — the evidence layer behind this page.

Incidents Abusing Native Tools

Bitdefender research finds most major incidents involve abuse of legitimate OS tools — the exact attack class PHASR exists to shut down.

Bitdefender Research

Stage-1 Attack Blocks

Bitdefender was the only vendor to block 100% of attacks in the first stage of the AV-Comparatives 2025 EPR test, with the lowest TCO.

AV-Comparatives 2025

Typical Learning Period

PHASR baselines user behavior in as little as 20 days — dropping to near zero for existing GravityZone EDR customers using historical data.

Bitdefender TechZone

BDS Bitdefender Partner Status

BDS holds Bitdefender Gold Partner status and was named US Partner of the Year — direct access, competitive pricing, and vendor-backed expertise.

Bitdefender Partner Program

What Our Clients Experience

Don't take our word
for it — hear theirs.

"We don't measure success in transactions. We measure it in the outcomes our clients achieve because of them." - Michael Kupfer, CEO | Black Diamond Solutions

BDS brings solutions that not only make our environment more secure, but also free up our team’s time to focus on growth and not security protection. Most importantly, they do it with ROI as a top priority. We get return many times over on every engagement we have had.

TJ Ortowski

Director of IT, Grayson Collin

I have been working with Black Diamond Solutions for over 11 years, and my experience has been consistently outstanding. BDS is always willing to research and propose solutions that truly fit our needs, going well beyond a typical vendor relationship. While their pricing is competitive, what really sets them apart is their five‑star service. Their team is experienced, technically knowledgeable, and communicates clearly and proactively. We appreciate their commitment to continuous improvement and their focus on bringing value to us as their clients. Black Diamond Solutions has been a trusted partner to our organization, and we highly recommend them for both their expertise and customer-first approach.

SVP, Information Technology

The Bank of New Glarus

COMMON QUESTIONS

Common Questions About PHASR Through BDS

Have questions about PHASR licensing, compatibility, or how BDS handles sourcing? Find the most common answers below.

No. PHASR is a prevention layer that augments detection tools — it proactively closes attack paths so fewer threats ever reach your EDR. It is available standalone and compatible with any third-party EDR/XDR, or as an add-on for existing GravityZone customers.

LOTL attacks abuse legitimate, pre-installed tools like PowerShell, RDP, and WMIC to move laterally, escalate privileges, and deploy ransomware while blending into normal activity. Because the tools are trusted and signed, detection platforms flag the behavior but rarely block it — which is exactly the gap PHASR closes.

No. PHASR builds a behavioral profile for each user and restricts only the tools and actions that user doesn't legitimately need. Blocking is action-level, so tools like PowerShell keep working for admins while risky actions are stopped.

BDS is a Bitdefender Gold Partner and was named Bitdefender's US Partner of the Year. That standing means direct vendor access, competitive pricing, and a dedicated BDS account manager guiding your evaluation, licensing, and procurement.

PHASR typically completes its behavioral learning phase in a matter of weeks, and existing GravityZone EDR customers can use historical data to shorten it dramatically. BDS can have a quote in your hands within one business day.

Ready to See What Your Endpoints Are Really Exposing?

BDS sources Bitdefender PHASR with clear licensing guidance, competitive Gold Partner pricing, and one account manager from first question to final quote.

Bitdefender Gold Partner & US Partner of the Year

Vendor-recognized expertise and direct access behind every PHASR engagement.

150+ OEM Partners

The right technology from the right source, with a dedicated account manager at every step.

HUBZone Certified

Federal buyers can meet set-aside procurement goals while sourcing Bitdefender technology through BDS.

Black Diamond Solutions

Your Bitdefender Gold Partner for proactive hardening — from evaluation and licensing guidance through procurement and long-term account management.

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Bitdefender PHASR — Dynamic Attack Surface Reduction for Any EDR Stack, Not Just Bitdefender's

Attackers Aren't Breaking In — They're Logging In and Using Your Own Tools