Why is Proofpoint Suing Facebook?

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Proofpoint, an enterprise security firm, has initiated a lawsuit against Facebook for their “lookalike domains” policy. The suit claims this policy has hurt Proofpoint’s email security offerings. The case is now set to move forward in a federal court.

This article will discuss this case, the allegations that Proofpoint is making, and the potential implications it could have.

Proofpoint Sues Facebook To Keep Using Lookalike Domains

Proofpoint is a cybersecurity company founded in 2002. It secures emails, customer files, and cloud access to protect organisations against cyberattacks and data breaches. The company has locations worldwide, including offices in the U.S., Europe, Africa, Australia, New Zealand and Japan. Proofpoint provides data protection solutions for small startups to large enterprises.

In 2020, Proofpoint filed a lawsuit against Facebook in federal court seeking to invalidate two of Facebook’s trademarks related to lookalike domains. The suit claims that Facebook is unlawfully restricting use of domains that have similarities or resemblances to those registered by Facebook. This lawsuit is the latest move by Facebook’s legal team to protect its intellectual property portfolio from Lookaliker domain names often registered by malicious actors with intent to spoof legitimate companies or brands for phishing scams or other malicious activities.

Proofpoint argues that domain names similar to those of successful brands can help small businesses compete on an even playing field online. However, by disparaging proof points services and preventing them from using similar domains as trademarks for their services, they are restricting their ability to operate more effectively online and freely compete in the digital arena.

Facebook is a social networking website headquartered in Menlo Park, California. Founded in 2004, it quickly became the world’s largest social network with more than 2.4 billion monthly active users as of July 2020. The platform enables people to connect with friends and family, share photos and videos, join groups, post status updates and messages, play games and much more. In addition, through its associated companies (WhatsApp, Instagram and Oculus VR), Facebook offers its messaging service, photo sharing platform and virtual reality technology.

Facebook is also involved in advertising activities on its platform. It allows businesses to advertise their products or services through sponsored posts or ads in a targeted manner based on user demographics such as age, gender or interests. This has become an attractive option for marketers to reach their target audiences more effectively. As of October 2020, Facebook was ranked the fourth most popular site in the world according to Alexa’s web ranking system.

What is a Lookalike Domain?

A lookalike (or typo-squatting) domain is a website URL that looks similar to another website URL, often to deceive users about its true origin. Unfortunately, many people have fallen victim to this online scam, used in various fraudulent activities ranging from phishing attempts to promoting fake merchandise. A lookalike domain can appear legitimate when viewed quickly, but may contain malicious content or links.

Cybersecurity firm Proofpoint is suing Facebook to prevent the tech giant from blocking what it calls “lookalike” domains owned by Proofpoint’s clients. The lawsuit claims that Proofpoint customers have been using lookalike domains since 2013 and only recently began receiving notices from Facebook that these domains violate its terms and policies. As a result, Proofpoint seeks a court order to ensure its clients can continue using them without interruption or liability.

The Dispute

Proofpoint has filed a lawsuit against Facebook to protect their ability to use lookalike domains to market their services.

The ongoing dispute between the two companies revolves around the issue of whether or not Proofpoint has the rights to use domains similar to Facebook domains.

This article will explore both sides of the dispute and provide insight into the potential resolution.

What is the dispute between Proofpoint and Facebook?

The dispute between social media giant Facebook and cybersecurity provider Proofpoint centres on the latter’s use of Facebook-like domain names for their company, such as ‘securefacebook.com’.

Proofpoint had obtained these domain names through a registration process that began in 2015. While they had received approval from the trademark office, Facebook claims that the similarity of these domains to their own is mistaken for its services, creating confusion among consumers and adversely impacting their brand. Therefore, Facebook has demanded that Proofpoint cease using the names, but it has refused to do so, citing their prior approval by the trademark office.

As a result of this impasse, Facebook filed suit against Proofpoint in July 2019 to stop them from using any domain similar to theirs. In response to this action, Proofpoint counter-sued based on antitrust considerations, alleging that Facebook abused its substantial market power by attempting to stifle competition for its users with other companies who may want or need to use similar domain names to ensure their security practices meet industry standards.

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The dispute remains ongoing; however, a recent court ruling allowed Proofpoint to continue using the domains while negotiations are underway over this important legal issue.

What is Proofpoint’s argument?

Proofpoint, an American cybersecurity company, has filed a lawsuit against Facebook in July 2020 to prevent the social media company from blocking Proofpoint’s use of “look alike domains.” The two companies have been at odds over the practice since Facebook began blocking certain websites in 2018.

Proofpoint argues that it should be able to use Facebook-like domain names if they are not infringing on Facebook’s trademarks or causing confusion by impersonating the company. A “lookalike” domain is similar to another and is often used by phishing scammers pretending to be well-known companies or services. Using this domain, cyber criminals can more easily lure unsuspecting users into clicking malicious links and potentially exposing personal information or installing malware on computers.

In its lawsuit, Proofpoint asserts that its use of lookalike domains does not create a likelihood of confusion and does not infringe on trademark rights since the most important part of any brand name – their trademark – appears nowhere in Proofpoint’s chosen domains. The company further argues that using lookalikes is essential for protecting users from malicious attacks. It provides an effective way for marketing teams to identify and block malicious sites early on before they become more entrenched in the industry.

Facebook claims that they are trying to protect their users from being deceived by criminals, and maintain that without strong measures organisations run the risk of becoming victim to phishing attacks or other fraudulent activities targeting their customers or employees through lookalike sites. While many technology vendors rely on targeted email campaigns using lookalike domains as a primary method for getting leads, Facebook believes these practices can too easily be co-opted by cybercriminals with malicious intent if they are not adequately monitored and controlled.

What is Facebook’s argument?

Facebook has disputed that Proofpoint has violated trademarked terms and conditions when it registered and used lookalike domains. According to the suit, Facebook’s trademark covers the registration of domains containing any of Facebook’s trademarks, including “www” lookalike domains.

In its claim to the Californian court, Facebook says:

“Proofpoint has engaged in a deliberate scheme to infringe on and dilute the distinctiveness of Facebook’s famous marks by registering and using domain names that are identical or confusingly similar to the following marks owned by Facebook: www., f [dot] com, fac[dot]com, facebook[dot]com”.

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The social media giant is alleging Proofpoint is violating trademark infringement laws and diluting its brand value by registering these lookalike domains. Additionally, it claims that these similar domains may be used for phishing attacks against its users. As a result, it requested an injunction from the court to stop Proofpoint from continuing to register these lookalike domain names with “.com” or any other TLDs.


The news of Proofpoint suing Facebook for the right to use lookalike domains has far-reaching implications. First, it impacts Facebook and other companies who use lookalike domains for their products and services.

This article discusses the implications of Proofpoint suing Facebook, including the potential outcomes and impacts on other companies.

What are the potential implications of the dispute?

The dispute between Proofpoint and Facebook can potentially set an important precedent in using lookalike domains. In addition, the case’s outcome could potentially lead to new regulations governing how companies with trademarks can use domain names, especially regarding lookalike domains.

If Facebook is successful in its defence, it could open up opportunities for trademark holders to target similar-sounding or lookalike domain names more aggressively. In contrast, if Proofpoint is successful in its case, it could force organisations to be more cautious when using potential lookalikes. In addition, it may lead to increased scrutiny from trademark holders who would have more legal remedies available.

It remains unclear how the court will decide on this issue and what implications it will have for domain name owners whether a company uses a “direct” or “indirect” approach like through registration of a lookalike domain. Regardless, it’s clear that this suit has far-reaching implications for brand owners and entities using such domains. Moreover, whatever ruling is made here will likely shape similar cases involving companies looking to protect their brands online by employing sophisticated digital marketing strategies.

How could this affect other companies?

This lawsuit between Proofpoint and Facebook can potentially set a precedent for other companies across industries in several ways.

First, if Facebook’s policy is upheld in this dispute, other companies can expect stricter enforcement of domain name regulations. Companies using lookalike domain names could face legal repercussions and risk brand reputation damage if their domains are not registered correctly or conforming to trademark protections.

Second, this case could have ramifications for the development process of any product or service that requires a digitally-based system run by an online platform. Different aspects, from design rollouts to launch plans, may be impacted as competing companies try to develop strategies that protect their products against potential litigations for lookalike domains.

Lastly, the results of this case are likely to spark conversations about the practical and ethical implications of technology-based ecosystems such as those offered by social media giants like Facebook. For example, could confidential user data be used inadvertently in domain names? How many negative outcomes could occur if not monitored properly and handled sensitively? These questions will inevitably inform and shape subsequent decisions around such matters going forward.

What are the potential legal implications?

One of the most concerning legal implications of this lawsuit is that it could set a precedent for other companies, including smaller tech startups, to attempt to use the same trademark law tactic as Proofpoint. The complaint alleges an attempt by Facebook to have Proofpoint domain registered made by a third party cancelled or transferred. If successful, this could mean that any entity — large or small — has the right to request cancellation of domains similar to their trademarked name to protect their brand image and recognition. This could potentially lead to frivolous lawsuits against other companies looking to gain an unfair competitive advantage by achieving domain registration outside their business field.

The outcome of this case may not just affect tech firms; other industries such as retail may start implementing similar tactics to protect their brands from infringement. There is also potential for harm if individuals attempt lookalike domains with malicious intent; using trademarks and brand recognition as leverage when sending phishing or malware campaigns has been seen before, and such cases may become more frequent if Facebook succeeds in its grievance against Proofpoint.

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In addition, another potential implication would be an increase in Legal fees for tech companies attempting trademark protection, as entities would have to pay up-front for preemptive legal counsel services when acquiring domain names. Furthermore, there could be a resulting over-regulation of domain name policies which would also increase overall costs due shared resources being eaten up quickly when processing requests en masse.



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