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high severity June 03, 2026 · 4 min read

Perkins Coie LLP Data Breach Notice (Massachusetts Attorney General)

If you received a notice from Perkins Coie LLP, here’s what the filing says was exposed, and what to do about it.

Perkins Coie LLP notified Massachusetts residents of a data breach in a filing reported to the Massachusetts Office of Consumer Affairs on June 03, 2026, and the notice lists social security numbers among the information exposed.

Perkins Coie LLP Data Breach Notice (Massachusetts Attorney General)

A single person’s Social Security number is now listed in a data breach filing by Perkins Coie LLP. The Massachusetts Attorney General’s office received the notice on June 03, 2026, and the record states that the exposed information includes Social Security numbers.

Social Security Numbers Cannot Be Replaced

When a Social Security number leaves an organization’s control, the exposure is permanent. Unlike a credit card or password, you cannot cancel it, request a new one on demand, or rotate it. The number that appears in this filing will retain its value to identity thieves for the rest of your life. That single fact changes how you must think about protection from this point forward.

The filing affects one Massachusetts resident. Because the organization is required by law to notify affected individuals directly, the letter you receive is the only reliable way to confirm whether this record belongs to you. If you have not received a letter at your last known address, it is likely you were not included. Anyone who has moved since the incident should contact Perkins Coie LLP directly to verify their status.

What the Exposure Actually Enables

A Social Security number combined with basic personal information allows criminals to file fraudulent tax returns, open accounts in your name, claim government benefits, or apply for loans. Once used in this way, the number can appear on credit reports, collection notices, and IRS correspondence that were never yours. The damage can surface months or years later, long after the initial breach has faded from news coverage.

No passwords were exposed in this incident. That limitation removes one common worry: you do not need to change any Perkins Coie LLP password because of this filing. The risk is confined to the non-revocable identifier and the identity theft pathways it unlocks.

The Practical Difference Between One Record and One Million

Only one person appears in this specific Massachusetts filing. The small scale does not reduce the seriousness for that individual. A single accurate Social Security number is enough to launch sophisticated identity theft. The fact that the breach touches just one resident simply means the organization’s notification obligation is narrow and targeted.

Why the Letter Remains Your Primary Check

State law requires organizations to notify people whose Social Security numbers were included. Letters can be delayed, misaddressed, or lost. Absence of a letter usually indicates you were not on the list, yet the filing itself gives no incident date and offers no other public method to cross-check. If you have any relationship with Perkins Coie LLP that would have placed your Social Security number in their records, reaching out to them is the only way to resolve uncertainty.

Living With a Permanent Identifier

Because the number cannot be changed, the focus shifts from prevention of exposure to lifelong monitoring and rapid response. The goal is to catch misuse early so you can limit the financial and reputational harm. Credit freezes, fraud alerts, and regular review of tax transcripts become routine rather than one-time tasks.

Tax-related fraud is a particular concern with Social Security number exposure. Criminals file fake returns early in the season to claim refunds before the legitimate taxpayer submits theirs. The IRS then rejects the real return, triggering months of paperwork to prove identity and recover the refund.

Concrete Actions That Match This Specific Exposure

  • Place a freeze on your credit files at Equifax, Experian, and TransUnion. This stops new accounts from being opened in your name without your explicit permission and is the single most effective step available.
  • Set up an IRS online account and monitor tax transcripts annually. Early visibility into any filings made under your Social Security number lets you respond before deadlines pass.
  • Respond immediately to any unexpected IRS notices or collection letters. These are often the first sign that your number has been used fraudulently.
  • Consider an extended fraud alert or credit monitoring service that scans for new accounts and public records. While not a guarantee, it adds another layer of detection for a risk that will not expire.
  • File your taxes as early as possible each year. This reduces the window during which a fraudulent return can be submitted ahead of yours.

The Perkins Coie LLP filing is narrow but permanent in its consequences for the one person it affects. The absence of passwords in the exposed data removes one layer of immediate worry, yet the presence of an irreplaceable identifier demands sustained attention. The letter you may or may not receive is still the clearest signal of whether this record applies to you. For those it does reach, the task is no longer prevention but management of a lifelong risk that cannot be undone.

What to do now

Steps that match what this notice says was exposed

Every step below is free and you do it yourself, and none of it depends on Perkins Coie LLP.

  1. Freeze your credit — this is the one that matters. A freeze is free, it takes minutes, and it has to be done separately at all three bureaus: Equifax, Experian and TransUnion. It stops a new account being opened in your name, which is what a Social Security number in the wrong hands is for. You can lift it temporarily whenever you need credit.

One more, whatever was exposed: a breach notice is a favourite disguise for a phishing email. If a message about this arrives, do not use its links — go to the company’s site yourself, or call the number on your statement.

Report details & sourcing

Severity High includes at least one identifier that cannot be reissued
Disclosed June 03, 2026
Last reviewed July 22, 2026
Affected 1
Data exposed Social Security numbers
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.
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