medium severity April 28, 2026 · 1 min read

Pitney Bowes Mailing-Services Breach — April 2026

If you are a customer of 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.

Watch Pitney Bowes Mailing-Services

Get alerted the next time Pitney Bowes Mailing-Services files a breach with any US regulator — the filing, dated and sourced. A free single-company slice of Signals; no account needed.

We’ll email you only about Pitney Bowes Mailing-Services’s future breach filings and how to watch a whole vendor list — not general marketing. Unsubscribe any time.

Watching your whole vendor list (50 to 500 companies, by tier) is GalaxyWarden Signals — $499/mo or $4,990/yr.

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 — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample580 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 listing. 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 contact details only, none of them permanent

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)

Related breaches

high January 26, 2026