Sublime Security vs Authentic8 Silo

Sublime Security7.9Visit Authentic8 Silo7.8Visit

Higher score Sublime Security #7 in User Threat Prevention Software 7.9/10 Free plan Free plan✓ 0 of 5 features Try Sublime Security

vs

Authentic8 Silo #8 in User Threat Prevention Software 7.8/10 30-day trial Free trial✓ 0 of 5 features Try Authentic8 Silo

• Sublime Security fits best

  Teams wanting flexible email detection and remediation

• Authentic8 Silo fits best

  Enterprises needing isolated, controlled browsing

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Side by side

Feature	Sublime Security 7.9/10 Visit ↗	Authentic8 Silo 7.8/10 Visit ↗
At a glance
Editor score	7.9	7.8
Ranking	#7 in User Threat Prevention Software	#8 in User Threat Prevention Software
Best for	Teams wanting flexible email detection and remediation	Enterprises needing isolated, controlled browsing
Pricing model	Free plan + paid	Paid
Starting price	—	$1,450/user/yr
Free plan	✓ (best)	—
Free trial	—	30 days
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web	Web
Integrations	9 integrations	7 integrations
Features Sublime Security 0/5 · Authentic8 Silo 0/5
Phishing simulations	Not checked yet	Not checked yet
Browser isolation	Not checked yet	Not checked yet
Attachment sandboxing	Not checked yet	Not checked yet
User report button	Not checked yet	Not checked yet
Automated remediation	Not checked yet	Not checked yet
Specs
Protected channels	Not checked yet	Not checked yet
Our review
Pros	Detects phishing, BEC, malware, policy violations, and impersonation Supports custom MQL rules, backtesting, and behavioral threat hunting Automates user-report triage and mailbox or campaign-level remediation	Runs web code in a cloud environment away from endpoints and networks. Combines malware scanning, file-transfer controls and built-in DLP. Records sessions and provides encrypted audit logs and chain-of-custody records.
Cons	The free Core plan is limited to the first 100 mailboxes Enterprise pricing requires a demo request Its focus is email security rather than broader user threat prevention	Annual plans start at $1,450 per user, making entry costly. The offering focuses on web browsing rather than broader threat prevention. The Trial plan has limited egress nodes.
Our verdict	Sublime Security is an AI-powered email security platform for organizations using Microsoft 365, Google Workspace, IMAP, or direct APIs. It targets security teams that need detection and response across phishing, business email compromise,… Read the review →	For teams handling risky web access or investigations, Authentic8 Silo runs web code in an isolated cloud environment, keeping browsing activity and content away from endpoints and networks. Its stated audience includes government,… Read the review →

Strengths and trade-offs

• Sublime Security — where it wins

  • Detects phishing, BEC, malware, policy violations, and impersonation
  • Supports custom MQL rules, backtesting, and behavioral threat hunting
  • Automates user-report triage and mailbox or campaign-level remediation

  Where it doesn't

  • The free Core plan is limited to the first 100 mailboxes
  • Enterprise pricing requires a demo request
  • Its focus is email security rather than broader user threat prevention

• Authentic8 Silo — where it wins

  • Runs web code in a cloud environment away from endpoints and networks.
  • Combines malware scanning, file-transfer controls and built-in DLP.
  • Records sessions and provides encrypted audit logs and chain-of-custody records.

  Where it doesn't

  • Annual plans start at $1,450 per user, making entry costly.
  • The offering focuses on web browsing rather than broader threat prevention.
  • The Trial plan has limited egress nodes.

• Sublime Security7.9/10 · Free plan

  Flexible email detection, threat hunting, and remediation, with a free tier for up to 100 mailboxes.

  Try Sublime SecurityFull verdict →
• Authentic8 Silo7.8/10 · 30-day trial

  Isolates web activity in the cloud with controls for files, data loss and auditing.

  Try Authentic8 SiloFull verdict →