criticalLast updated: June 2026

Supply Chain Attacks

Compromised vendors, dependencies, and software update paths are allowing attackers to reach many targets at once.

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What\'s happening

Attackers increasingly compromise vendors, MSPs, packages, or trusted integrations so one intrusion scales across many customers.

Third-party risk is no longer just procurement paperwork — it is a direct technical exposure path.

Smaller companies are especially exposed when a single IT provider has broad privileged access.

Who it targets

Vendor-reliant SMBs

Distributed SaaS stacks

Organizations with broad third-party access

Real-world examples

Compromised remote management platforms used to push malicious actions.

Open-source dependencies altered upstream.

Vendors with shared admin credentials becoming the breach path.

What it costs

Breaches spread faster and are harder to isolate.

Response complexity expands across legal, vendors, and customers.

Trust damage is amplified because the breach came through a trusted partner.

How to protect against it

Review vendor access and least privilege regularly.

Monitor software supply chain changes and package provenance.

Segment vendors from core systems where possible.

Include third-party scenarios in response playbooks.

Vendors who specialize in this threat

Harbor Zero

VPN & Zero Trust Access

Identity-aware access controls for remote teams and sensitive internal apps.

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Atlas Cloud Guard

Cloud Security & CSPM

Cloud posture visibility with policy drift alerts and remediation workflows.

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