medium severity April 28, 2026 · 1 min read

Pitney Bowes Mailing-Services Breach — April 2026

If you have an account with Pitney Bowes Mailing-Services, here’s what’s now in circulation.

Mailing-services provider Pitney Bowes was hit by a ransomware claim in April 2026, with exposure of customer mailing-list metadata.

Mailing/postage icon with ransomware lock overlay

Mailing-services provider Pitney Bowes was hit by a ransomware claim in April 2026. Exposed data includes customer business names, mailing-list metadata, and some address-database content. Mailing-list data combined with publicly-available business filings can enable highly-targeted impersonation.

Caught in this breach?

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What You Should Do

Pitney Bowes customers: review mailing-list access controls
Watch for impersonation of your business name in unsolicited postal mail
Audit your customer-list export controls

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove. That’s what a Deep Sweep buys.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample637 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach

unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Were you a Pitney Bowes Mailing-Services customer?

Pitney Bowes Mailing-Services is one breach. Your email is probably in others.

Check your email against 13.1B+ leaked records and find every breach it appears in — not just this one. About 15 seconds. No account, no card.

Report details & sourcing

Severity Medium

Disclosed April 28, 2026

Last reviewed July 22, 2026

Affected Pitney Bowes mailing-services customers

Data exposed Customer business namesMailing-list metadataSome address-database content

By GalaxyWarden Threat Research · Editorial & sourcing standards

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

Sources: Breachsense alert (April 2026)

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