ScopeMantle is SOC 2 Type II in progress, read our trust commitments →

ScopeMantle

Resources

Resources for teams auditing third-party OAuth.

Playbooks, case studies, and tools for security, privacy, and compliance teams working on the new supply-chain attack surface.

Type
Topic
Breach PatternUpdated April 2026

What a ScopeMantle-equipped org would have seen during the Context.ai → Vercel chain.

A minute-by-minute walkthrough of the April 2026 Vercel supply-chain breach, annotated with the audit signals and revocation triggers that would have fired in a ScopeMantle deployment. Plus: the other four breaches that followed the same pattern. Salesloft Drift, Snowflake customers, Gainsight, Okta support files.

Read the analysis
ScopeMantle Threat Brief · 2026-04
T+5m: New OAuth grant, gmail.readonly, drive.readonly, calendar
Vendor: Context.ai · No SOC 2 detected · Vendor Risk Score pending…
Security 8/40
Privacy 11/30
Scope 4/20
T+1h · Auto-revoked

Library

11 of 11

Whitepaper

The 2026 Supply-Chain OAuth Attack Playbook

Five breaches, one pattern. The mechanics behind the new lateral-movement vector and the controls that close it.

22 min readApr 2026
Read more
Whitepaper

Vendor Risk Scoring: What 40/100 actually means

The scoring rubric behind ScopeMantle's posture engine. Security, Privacy, Scope Sanity, and Breach History, with worked examples.

14 min readApr 2026
Read more
Playbook

The DSAR Playbook: Every vendor outreach template you need

Article 15, 17, and 20 templates for the 60 vendors most likely to hold your subjects' data. Pre-filled. Lawyer-reviewed.

9 min readMar 2026
Read more
Guide

Shadow OAuth: Why your CASB and SIEM miss it

OAuth grants don't traverse the network perimeter your CASB watches. Here's the data path your existing stack can't see, and what to do about it.

8 min readMar 2026
Read more
Tool

ROI Calculator: What your current third-party OAuth review process costs you

Plug in your headcount and review process. We'll model the annual cost, manual review hours, DSAR hours, and unreviewed vendor exposure, and the ScopeMantle payback period.

InteractiveApr 2026
Read more
Tool

Board report template: Third-party OAuth exposure in one slide

The single slide CISOs use to put a defensible figure in front of the board, with a quarter-over-quarter trend.

TemplateMar 2026
Read more
Guide

Deprovisioning at scale: the ScopeMantle offboarding model

Why HRIS-triggered cross-SaaS offboarding produces cleaner audit evidence than IdP-only revocation, and how to migrate.

11 min readMar 2026
Read more
Guide

Compliance map: SOC 2 CC6.7, ISO 27001 A.5.19, GDPR Article 32

Which ScopeMantle controls map to which clauses, with the auditor-facing evidence each control produces.

10 min readFeb 2026
Read more
Breach Pattern

The Salesloft Drift Breakdown: The first supply-chain OAuth breach of this decade

How a chat-widget vendor's stolen tokens became hundreds of compromised CRMs, and the policy that would have caught it.

13 min readFeb 2026
Read more
Breach Pattern

The Snowflake Customer Breakdown: When the credential layer isn't yours

165+ enterprises breached through one third-party connector. The mechanics, the missing controls, and the lessons that still aren't applied.

15 min readFeb 2026
Read more
Case Study

Case study: [Design Partner] cut 847 OAuth grants to 12 in 30 days

How a Series-D fintech retired its annual third-party review project and replaced it with a continuous control, in one quarter.

7 min readApr 2026
Read more

THE BREACH SHELF

The breach shelf.

Every breach writeup in our industry, shelved here to be read at a glance. We publish a ScopeMantle-lens analysis within 48 hours of any new supply-chain-OAuth incident.

Find the Context.ai in your org before the attacker does.

15-minute connection. First inventory in an hour. Vendor risk scores for every third party by tomorrow.

Book a 30-minute demoTalk to sales

Trusted by security and privacy teams at 50+ organizations.