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Slack

Communication & Work

Source-backed from Slack Privacy Policy

27
reviewed findings
15
key findings
3
free to read here
5
verified controls

1 of them depends on where you live.

Privacy Snapshot

What the published policy covers, and how much we found under each. Tap one to read it.

  • Location 1 finding
  • Microphone & Audio 1 finding
  • Contacts 1 finding
  • Messages 2 findings
  • Tracking 4 findings
  • Advertising & Profiling 3 findings
  • Sharing 7 findings
  • Controls & Permissions 5 findings
  • Other 3 findings

3 findings, in full

The first 3 of this report’s 15 key findings, complete — claim, reasoning, and the policy’s own wording.

Tracking No verified control Slack may use device fingerprinting to prevent abuse

What this means

Slack says it may use tools such as device fingerprinting to prevent issues and abuse.

Slack may use tools such as device fingerprinting to prevent issues and abuse.

Why this matters

Fingerprinting can recognize your device even without cookies.

What the policy says

We may use a variety of tools such as device fingerprinting to prevent issues and abuse. We may process, including in an automated fashion, Other Information to better understand how Slack is used or to prevent spam or abuse.

From Slack Privacy Policy

Source captured on

What you can do

No verified user-facing control found.

In the Slack documents we searched for this finding, we did not verify a setting that directly changes this practice, or a wider option that reaches it.

Advertising & Profiling Slack may share identifiers with advertisers for ads elsewhere

What this means

Slack says it may share identifiers and internet activity information with third-party advertisers to target ads on non-Slack websites, apps and services.

Slack may share identifiers and internet activity information with third-party advertisers to target ads on non-Slack websites, apps and services.

Why this matters

Your use of a work tool can feed advertising you see outside it.

What the policy says

We may also share personal information (in the form of identifiers and internet activity information) with third party advertisers for purposes of targeting advertisements on non-Slack websites, applications, and services. In addition, we may allow third parties to collect personal information from our sites or services if those third parties are authorized service providers who have agreed to our contractual limitations as to their retention, use, and disclosure of such personal information, or if you use our sites or services to …

From Slack Privacy Policy

Source captured on

What you can do

A privacy control may reduce part of this practice.

Plainlyst Premium shows where to find it, what it changes, what it doesn’t change, and what may stop working.

View in Privacy Tune-Up
Advertising & Profiling Slack says it collects personal information from data brokers

What this means

Slack says it collects categories of personal information from you, your employer, data analytics providers, data brokers and third-party services.

Slack says it collects categories of personal information from you, your employer, data analytics providers, data brokers and third-party services for its business purposes.

Why this matters

Information about you can come from companies you never dealt with directly.

What the policy says

In addition to the information provided above in the ‘Information We Collect And Receive’ section, we collect the following categories of personal information from you, your employer, data analytics providers, data brokers, and Third-Party Services for our business purposes:

From Slack Privacy Policy

Source captured on

12 more key findings a free account opens, by topic

  • Controls & Permissions 3
  • Messages 2
  • Sharing 2
  • Contacts 1
  • Location 1
  • Microphone & Audio 1
  • Other 1
  • Tracking 1

Create a free account to read all 15

And every key finding for every company you use, with your companies saved and a dashboard of what is worth seeing across them, plus your Privacy Tune-Up. An email and a password — no card.

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Unlock the complete Slack report

A free account opens all 15 key findings. 12 additional reviewed findings are available in the complete report.

  • Tracking 2 more
  • Advertising & Profiling 1 more
  • Sharing 5 more
  • Controls & Permissions 2 more
  • Other 2 more

  • Complete report

    12 additional reviewed findings, each shown with the policy wording behind it, like the 15 above.

  • Privacy Tune-Up

    5 verified privacy controls — where each one is, what it changes, and what may stop working.

  • Stay protectedPlanned

    Told when the policy changes.

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Plainlyst simplifies selected disclosures from privacy policies. It does not claim to capture every statement or practice in a policy, and it is not legal advice.

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Operated by JC RESERVE LLC

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Official sources only. Every finding quotes the company’s own policy, and every record names the document behind it. We do not grade anybody.