Outage in Prisma by Palo Alto

Prisma Browser - investigating failure to start for a subset of browsers running the latest engine (SP-279) : Prisma Browser

Resolved Major
December 30, 2025 - Started 1 day ago - Lasted about 2 hours
Official incident page

Incident Report

We are currently investigating an issue affecting Browser Access Status: Investigating Severity: Disruption Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto Customer Impact: We are investigating a number of cases where browsers failed to start Workaround: Performing a "Hard Reset" from the browser troubleshooting page would resolve the issue for an affected endpoint. We will provide updates as we learn more.

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 12/30/2025 12:47PM

Update: Status changed to Resolved.

Status: Resolved
Severity: Disruption
Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto
Customer Impact: 395 users have been identified with the issue.

The team has identified the issue and issued a fix, we are monitoring the recovery.
Workaround: Reloading the browser

Thank you for your patience.

MONITORING 1 day ago - at 12/30/2025 11:34AM

Update: Changes to Customer Impact, Current Workaround.

Status: Monitoring
Severity: Disruption
Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto
Customer Impact: 395 users have been identified with the issue.

The team has identified the issue and issued a fix, we are monitoring the recovery.
Workaround: Reloading the browser

We are continuing to monitor the situation.

MONITORING 1 day ago - at 12/30/2025 11:23AM

Update: Status changed to Monitoring.

Status: Monitoring
Severity: Disruption
Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto
Customer Impact: 325 users have been identified with the issue.

The team has identified the issue and is working on a fix
Workaround: Performing a "Hard Reset" from the browser troubleshooting page would resolve the issue for an affected endpoint.

We are continuing to monitor the situation.

IDENTIFIED 1 day ago - at 12/30/2025 11:03AM

Update: Changes to Title, Customer Impact.

Status: Investigating
Severity: Disruption
Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto
Customer Impact: 325 users have been identified with the issue.

The team has identified the issue and is working on a fix
Workaround: Performing a "Hard Reset" from the browser troubleshooting page would resolve the issue for an affected endpoint.

We will provide updates as we learn more.

IDENTIFIED 1 day ago - at 12/30/2025 10:53AM

Update: Changes to Customer Impact.

Status: Investigating
Severity: Disruption
Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto
Customer Impact: Investigating a number of cases where browsers failed to start
Workaround: Performing a "Hard Reset" from the browser troubleshooting page would resolve the issue for an affected endpoint.

We will provide updates as we learn more.

IDENTIFIED 1 day ago - at 12/30/2025 10:35AM

We are currently investigating an issue affecting Browser Access

Status: Investigating
Severity: Disruption
Affected Locations: Ashburn, Atlanta, Calgary, Chicago, Columbus, Ohio, Council Bluffs, Dallas, Guadalajara, Guatemala City, Los Angeles, Mexico City, Miami, Monterrey, Montreal, New York, Oregon, Panama City, Phoenix, San Francisco, San Jose, Toronto
Customer Impact: We are investigating a number of cases where browsers failed to start
Workaround: Performing a "Hard Reset" from the browser troubleshooting page would resolve the issue for an affected endpoint.

We will provide updates as we learn more.

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