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Build a complete, always up-to-date certificate inventory with Red Sift Certificates

Gain complete visibility into your certificates and stop misconfigurations, downtime, and infrastructure attacks before they escalate.

My Certificates Graphic
letsencrypt-logo-horizontal 1

certificates certs logo

Build a complete, always up-to-date certificate inventory with Red Sift Certificates

My Certificates Graphic

Gain complete visibility into your certificates and stop misconfigurations, downtime, and infrastructure attacks before they escalate.

Trusted by

The growing complexity of certificate management

Managing digital certificates is more challenging than ever.
Shorter lifespans, rapid growth, new regulations, and emerging cryptography standards are reshaping the landscape.
To stay secure and resilient, organizations must keep certificates visible, compliant, and ready for what’s next.

200 days

certificate lifespan in March 2026

47 days

certificate lifespan in March 2029

88%

of teams face more compliance work due to NIST, PCI DSS 4.0, etc

1 in 3

organizations are preparing for PQC

HOW RED SIFT CERTIFICATES HELPS
Take control of your TLS certificates

Red Sift Certificates provides real-time discovery of new certificates and seamless monitoring for expiration and revocation.

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Prevent downtime by eliminating blind spots in your inventory

Get full visibility into your public PKI by combining real-time monitoring of the Certificate Transparency ecosystem with discovery across hostnames and services.

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Continuously secure your digital infrastructure

Monitor deployments to catch misconfigurations, expired or undeployed certificates, and gaps left by incomplete automation before they lead to outages.

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Reduce manual work when ecosystem events occur

Correlate certificate data with DNS, CT logs, and more to quickly surface risks during industry-wide incidents like the Entrust Distrust event.

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Stop infrastructure attacks before they escalate

Get alerted to rogue certificate activity like unauthorized issuances within minutes, and take action before it leads to compromise.

FEATURES
Why security teams choose Red Sift Certificates
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Spot misconfigurations and rogue certificates before they become threats

Continuously monitor deployed, unused, and newly issued certificates to surface misconfigurations, expired certificates, and suspicious issuances early before they lead to outages or breaches.

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Understand your PKI posture with detailed configuration insights

View detailed configuration data like key strength, algorithm type, endpoint status, and deployment location so you can spot weak deployments, maintain crypto hygiene, and prepare for post-quantum standards.

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Gain visibility across all Certificate Authorities (CAs)

Many CLMs track certificates from a single issuing CA. Red Sift consolidates certificates from all CAs, including those issued by other teams, for a complete view of your certificate footprint.

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See every certificate in use—including those beyond your control

Discover certificates deployed across your estate, even those issued by third parties or embedded via external services. Correlate data from CT logs, IPs, hostnames, and DNS records to maintain a real-time inventory that reflects what’s truly in use.

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Access the deepest, freshest certificate data

Ingest and monitor every public certificate in real-time, with unmatched depth across subdomains, IPs, hostnames, and more. Go beyond daily scan schedules with continuous detection of new assets the moment they appear.

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Fast, frictionless deployment with nothing to install

Unlike traditional CLMs that require weeks of complex integrations and set up, Red Sift Certificates deploys in minutes, enabling teams to act on certificate insights instantly.

Reviews
Trusted by the best security leaders in the business
Michael Devitt
Michael Devitt
IT Director

"Red Sift Certificates enables William Fry to achieve the best possible security configurations on all of its hosts and domains across the web and email whilst also closely monitoring both our own public certificates, as well as our vendor certificates."

Boban Kršić
Boban Kršić
CISO

"Using Certificates helps Denic as we can see the configuration of our infrastructure in real-time, receive notifications about certificate issues before they impact on production, and receive useful analysis when a problem does occur that helps us to get to a fix quickly."

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Paddy Newman
Paddy Newman
Senior DevOps Engineer

"We rely on Red Sift Certificates to identify when our digital certificates are due to expire. We can easily inspect certificate details along with the endpoints that were discovered serving them without resorting to low-level debugging tools."

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Client avatar
Fabian Heiz
Head of IT Security

"Coop uses Red Sift Certificates to gain better visibility of our exposure on the internet. We use it to discover and monitor all of our cloud apps and third-party certificates. It also helps us validate our WebServer settings such as CSP and HSTS headers to harden our configurations."

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Michael Devitt
Michael Devitt
IT Director

"Red Sift Certificates enables William Fry to achieve the best possible security configurations on all of its hosts and domains across the web and email whilst also closely monitoring both our own public certificates, as well as our vendor certificates."

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Let's see Encrypt Red Sift

Never miss an expiring certificate with Red Sift Certificates Lite

Red Sift Certificates Lite is the recommended certificate expiration monitoring service of Let's Encrypt. It allows you to track up to 250 certificates and receive 7-day email alerts before expiry, helping you avoid downtime and mitigate security risks.

Let's see Encrypt Red Sift

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