Sherlocked Security – Browser Isolation & Secure Web Gateway (SWG) Setup

Reduce Web-Based Threats and Enforce Secure, Policy-Driven Internet Access Across the Enterprise

1. Statement of Work (SOW)

Service Name: Browser Isolation & SWG Setup
Client Type: Enterprises, Financial Institutions, Healthcare, Government Agencies
Service Model: Advisory, Implementation, Policy Design, and Managed Support
Compliance Alignment: NIST 800-53, ISO/IEC 27001, SWIFT CSCF, HIPAA, CIS Controls

Service Scope Includes:

Deployment of Remote or Local Browser Isolation technologies
Design and setup of Secure Web Gateway (SWG) solutions
URL filtering, content disarm & reconstruction (CDR), and malware sandboxing
Integration with CASB, DLP, and threat intel feeds
Policy creation for web access controls, tenant restrictions, and shadow IT prevention
Performance optimization and user experience tuning
Incident visibility and integration with SIEM/SOAR platforms

2. Our Approach

[Requirements Gathering] → [SWG/Isolation Strategy Design] → [PoC & Tool Selection] → [Implementation & Policy Tuning] → [Threat Testing] → [Integration & Rollout] → [Training & Handover]

3. Methodology

Assessment of Web Threat Surface
- Analyze user behavior, web usage patterns, and malicious URL exposure
Tool Evaluation & Architecture Design
- Determine best-fit architecture: remote cloud-based isolation, on-premise SWG, or hybrid
Policy & Rule Definition
- Design web usage policies, tenant restrictions, and domain categorizations
SWG Configuration
- Set up URL filtering, SSL decryption, content scanning, and user/group-based access rules
Browser Isolation Deployment
- Configure pixel-based or DOM mirroring-based isolation layers with appropriate session policies
Threat Handling Integration
- Integrate with AV engines, threat intelligence, and sandboxing solutions for high-risk content
Monitoring & Incident Pipeline
- Route alerts to SIEM/SOAR for real-time visibility and response automation

4. Deliverables to the Client

SWG Architecture & Deployment Plan
Browser Isolation Configuration Blueprint
Policy Matrix for URL Categories, Roles, and Access Levels
Threat Simulation & Performance Benchmark Report
Integration Checklist (SIEM, CASB, DLP)
End-User Awareness Materials & Admin SOPs

5. What We Need from You (Client Requirements)

Network Diagram with Proxy or Internet Egress Points
User Access Policies and Role Definitions
Existing CASB/DLP/Proxy Tools (if any)
Web Usage Baseline (URL logs, categories, etc.)
Directory Integration (AD, LDAP, SAML)
Access to Security Teams for Policy Validation and Exception Scenarios

6. Tools & Technology Stack

SWG Platforms:
- Zscaler, Symantec Web Security, Cisco Umbrella, Forcepoint, McAfee Web Gateway
Browser Isolation:
- Menlo Security, Ericom Shield, Cloudflare Zero Trust Browser Isolation, HP Sure Click Enterprise
Threat & Content Scanning:
- CDR Engines, Sandboxing (FireEye, Palo Alto WildFire)
SIEM & CASB Integration:
- Splunk, Microsoft Sentinel, Netskope, Skyhigh Security, Bitglass

7. Engagement Lifecycle

Kickoff & Requirements Workshop
Threat Surface and Usage Pattern Analysis
Tool Evaluation or Selection (if not pre-decided)
Policy & Access Control Planning
Pilot Deployment and User Acceptance Testing
Full Rollout with Monitoring & Logging Integration
Training, Documentation, and Optimization

8. Why Sherlocked Security?

Feature	Sherlocked Advantage
End-to-End Web Threat Protection	From browser isolation to URL filtering and SSL decryption
Zero Trust Web Access	Role-based policies, tenant restrictions, and inline user validation
Compliance & Shadow IT Control	Integrated with CASB, DLP, and productivity monitoring tools
Seamless Integration	SIEM, IAM, and incident response compatibility
User-Aware Policy Tuning	Based on behavioral risk insights and business priorities

9. Real-World Case Studies

Browser Isolation for Regulated Finance

Client: Investment firm dealing with high-risk user web access
Challenge: Frequent phishing and malware via browser-based vectors
Solution: Deployed remote browser isolation with role-based policies and audit logging
Outcome: Reduced web threat incidents by 80% without impacting productivity

Secure Web Gateway Rollout for Healthcare

Client: Large hospital network with remote staff
Challenge: Inconsistent enforcement of web policies and data leakage risk
Solution: Implemented Zscaler SWG integrated with Microsoft Defender and CASB
Outcome: Enhanced DLP enforcement, prevented access to unsanctioned SaaS, improved audit readiness

10. SOP – Standard Operating Procedure

Define Web Access Requirements & Risk Profiles
Deploy SWG in Transparent/Explicit Mode Based on Network Topology
Set Browser Isolation Parameters for Risky Categories or BYOD Devices
Integrate with IAM/SSO and CASB for Identity-Aware Policies
Tune Policies Based on Behavior Analytics and Feedback Loops
Validate with Threat Simulations and Access Testing
Train Admins & Provide Policy Exception Workflow

11. Readiness Checklist

1. Pre-Implementation

[ ] Identify web threat vectors and usage patterns
[ ] Define user roles and acceptable use policy
[ ] List existing web access control systems (if any)
[ ] Review proxy, DNS, and SSL inspection readiness
[ ] Prepare identity integration setup (AD, SAML, OIDC)

2. During Engagement

[ ] Deploy SWG policy base and isolation profiles
[ ] Integrate logging with SIEM and SOAR tools
[ ] Test access rules across departments and devices
[ ] Configure CDR, sandboxing, and SSL inspection (if applicable)
[ ] Validate latency, UX, and policy enforcement effectiveness

3. Post-Implementation

[ ] Finalize SOPs and exception handling process
[ ] Conduct awareness sessions for users and admins
[ ] Monitor for alert noise and false positives
[ ] Review access logs and iterate policies quarterly
[ ] Schedule annual threat simulation and policy refresh

Browser Isolation & Secure Web Gateway (SWG) Setup