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YahooMailProxy (WBA)

Run by Yahoo

Type: OtherSignedHow common: Very uncommon

How to detect YahooMailProxy (WBA)

YahooMailProxy (WBA) signs its requests, so you detect it by verifying the cryptographic signature on each request. A valid signature proves the request came from Yahoo; a copied user agent without the signature does not.

Detection method
SignedThe agent signs its requests, so its identity is verified cryptographically.
Signals that identify it
  • CryptographicA signed request verified cryptographically
  • BehavioralHow the session clicks, types, moves and navigates, checked after the signature is verified

Every signal Verisoul checks for YahooMailProxy (WBA)

YahooMailProxy (WBA) signs its requests, so we verify who it is cryptographically, then check the rest of the session.

  • Used

    Cryptographic

    A signed request verified cryptographically

  • Not used

    Network

    Not needed to identify it

  • Not used

    Device

    Not needed to identify it

  • Used

    Behavioral

    How the session clicks, types, moves and navigates, checked after the signature is verified

How often you'll see it

Very uncommon

Rare, brand new, or not seen on Verisoul traffic yet

More from Yahoo

Questions about YahooMailProxy (WBA)

How do you detect YahooMailProxy (WBA)?

YahooMailProxy (WBA) signs its requests, so you detect it by verifying the cryptographic signature on each request. A valid signature proves the request came from Yahoo; a copied user agent without the signature does not.

What is YahooMailProxy (WBA)?

YahooMailProxy (WBA) is an automated service from Yahoo that signs its requests.

Does YahooMailProxy (WBA) identify itself?

Yes. YahooMailProxy (WBA) signs its requests cryptographically, which is the strongest way an agent can identify itself.

Can a bot pretend to be YahooMailProxy (WBA)?

Not convincingly. A bot can copy YahooMailProxy (WBA)'s user agent, but without Yahoo signing keys its requests fail verification and it is not labeled YahooMailProxy (WBA).

How common is YahooMailProxy (WBA)?

Very uncommon. Rare, brand new, or not seen on Verisoul traffic yet.

What does the Verisoul API return for YahooMailProxy (WBA)?

Every session Verisoul identifies as YahooMailProxy (WBA) carries an agent block with id "yahoomailproxy_wba", name, provider, type "other", detection_method "signed" and the detection_signals used (cryptographic, behavioral). Build rules on the id, type and detection method.