CDT Files Amicus Brief in Zango v. Kaspersky

By Eric Goldman

The Center for Democracy and Technology has authored a brief, for itself, anti-spyware vendors and other advocacy groups, in favor of Kaspersky in the Zango v. Kaspersky case. I thought this brief was a useful contribution to the discourse. The brief focuses heavily on the issue of empowering users’ control over their desktops, which is the critical issue but a complicated one when users give instructions that may conflict with each other. The brief addresses this issue squarely:

Two scenarios illustrate the interplay of “consent” in the anti-spyware context. First, assume that a user did consent to the installation of Zango software, but later concluded that the software and resulting advertisements were harassing and objectionable. Kaspersky Lab (and most anti-spyware services and tools) offers the ability to disable Zango software, and for a user to choose to install Kaspersky software to block Zango’s advertisements is fully consistent with the user’s true choice (notwithstanding the assumed initial consent to install the Zango software).

Second, if the Kaspersky Lab software is installed on a computer before someone attempts to download and install the Zango software (and Kaspersky software blocks the Zango installation), that is quite possibly also fully consistent with the wishes of the user. By installing anti-spyware software, the user is asking to be protected from spyware even if the user does not immediately recognize certain downloaded software as spyware. Moreover, it may well be that the owner of the computer (such as a parent or an employer) decided to install anti-spyware software such as Kaspersky Lab’s, and then some other users (such as a child or employee) attempts to install Zango software (and that installation is blocked). In that scenario, the anti-spyware software is in fact doing precisely the job that it was asked to do.

I think both of these examples tell a story of how a user’s putatively inconsistent instructions could be reconciled. But these examples are also pretty stylized, so minor changes in the facts would expose situations where the reconciliation might be tougher.

The case library:

* Kaspersky’s answering brief [warning: 5MB file].

* National Business Coalition on E-Commerce and Privacy amicus brief in favor of Zango

* Zango’s appeal brief [warning: 2.1MB file]

* The district court’s dismissal and my commentary

* TRO Denial and my commentary

* Kaspersky’s Response to TRO Motion

* Zango’s TRO motion

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