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'''Cloudmark, Inc''' is a privately held company, San Francisco-based, providing protection against spam, viruses, phishing and spear phishing, threats that affect email and mobile messaging.

The company protects more than one billion subscribers for the world's largest carrier networks and ISPs worldwide, safeguarding 12 percent of email accounts and 20 percent of mobile accounts around the globe.

(contracted; show full)fic criteria was applied in its determination of “reputation” quality related to a discrete email sender.  Nor does Cloudmark make available a discrete list of email senders which are subject to an adverse reputation determination.  Many other providers of reputation assessments do have this facility.  As a result, the administrators of a Cloudmark blocked email server have no opportunity to determine whether or not Cloudmark may have unjustly assigned a less than acceptable reputation to the email server.
    

In process, once an adverse determination is assigned to a sending email server by Cloudmark, the entire stream of email sent from it to a server, which applies Cloudmark's reputation assessment to its email acceptance rules, results in all such email being persistently blocked from delivery.  A generic message is delivered back to the sending server each time that a transmission to a Cloudmark designated recipient was refused.  The specific reason for the refused delivery is not disclosed.  The intended recipient is not notified that all email from a certain mail server is being persistently blocked.  Such may indeed have an adverse impact on time sensitive legitimate email messages which are being blocked without notice to the intended recipient.      

Cloudmark does provide a link to an on-line form to potentially “reset” [remove the blocking mechanism], subject to Cloudmark's review process and approval.  However, it can take up to 48 hours for the the block to be removed.

==The Company==

Cloudmark sits on the board of directors of the [[Messaging Anti-Abuse Working Group]] and the steering committee of the [[Anti-Phishing Working Group]],<ref>{{Cite web |url=http://www.openpr.com/news/9744/direct-Cloudmark-Stops-Viruses-Before-They-re-Even-Named.html |title=Cloudmark Stops Viruses Before They're Even Named |author=Brenda Ropoulos  |date=2006-06-26 |work=Press release from Cloudmark, Inc |publisher=OpenPR |accessdate=2009-10-25 }}</ref> It also participates in industry collaborations with the Facebook Threat Exchange and the London Action Plan.

In February 2010, Cloudmark acquired Bizanga Ltd., the developer of a message processing platform.

RSA named Cloudmark one of the Top 10 Security Companies to Watch in 2013.

Long a foe of spammers, in 2015, the company helped the FTC stop an affiliate spam company promoting diet pills, Sale Slash; in 2016, the FTC fined Sale Slash $43 million under the CAN-SPAM Act.

Cloudmark's Director of Engineering Angela Knox was named One of the Top Five Women in Security in 2015, by CBR magazine.

Cloudmark publishes a quarterly threat report from its research team, sharing findings from the Cloudmark Global Threat Network, which encompasses 1 billion email accounts from around the globe.

==Product History==

When it was founded in 2001, Cloudmark was the first anti-spam solution utilizing a peer to peer collaborative filtering approach. Its initial product was called SpamNet, which releases in 2001.  

The anti-spam product name was later changed to DesktopOne. While consumers represented its first market, by 2002, Cloudmark's anti-spam product line had branched out into the enterprise market.  

As of 2004, its SpamFighter community had grown to one million contributors.

in 2004, Cloudmark released Cloudmark Authority, an enterprise gateway anti-spam system, and SafetyBar, a consumer facing anti-phishing solution adopted by PayPal to protect consumers in online financial transactions. SafetyBar quickly grew to more than one million users in 150 countries in its first year.  

In 2005, the company launched its first products for ISPs.

In 2006, the company launched Cloudmark Authority Anti-Virus, providing zero-hour protection against message-borne viruses. The company's Cloudmark Authority product grew to become the leading carrier-grade messaging security solution, serving 7 out of the top 12 ISPs in North America and 8 out of the top 10 ISPs in Japan. Its solutions were frequently adopted on the basis of superior efficiency, enabling clients to run Cloudmark solutions w(contracted; show full)
==References==
{{Reflist}}

== External links ==
* [https://www.cloudmark.com/ Cloudmark website]

[[Category:Spam filtering]]