We update this policy from time to time so please check back in. This policy explains how we process your personal data as a data controller when you use, or contact us about, our Services. HackerOne operates a bug bounty & vulnerability disclosure software-as-a-service platform known as the HackerOne Platform, the website located at and related domains and subdomains, and related services, including live hacking events, marketing, and customer service and ancillary support services (collectively referred to as "Services"). HackerOne partners with the global security researcher community, which may be referred to as hackers or Finders, or you (we will use the term “Finder(s)” in this policy), to provide businesses with access to top talent Finders who identify and surface relevant security issues in a business's products or services. HackerOne is an industry leader in hacker-powered security. These entities (together, “HackerOne”, “we”, “us” or “our”) may decide the means and purpose of processing personal data, in which case they are a “controller” of that data. is a company incorporated and registered in the Netherlands under company number 58601325 with its offices at Griffeweg 97/4, 9723 DV Groningen, The Netherlands, HackerOne UK Limited, company registration 14123945, with its offices at 3 Valentine Place, London, UK, SE1 8QH. is a company incorporated in Delaware at 548 Market Street, PMB 24734 San Francisco, CA 94104 USA, HackerOne, B.V. SPF, DKIM and DMARC have their place helping to prove your outgoing emails are clean.HackerOne Inc. In these cases trust should be placed in mail filtering, sandboxing, etc. The mail comes from dropbox so all the things are in pla e, but the shared file is compromised. I’m also seeing an increased number of phishing and spear phishing coming from legit domains like dropbox, “Joe Blogs” has shared a file with you - kind of stuff. These only help when people are attempting to spoof a domain that doesn’t belong to them and already has these mechanisms in place. The above technologies/protocols won’t help if somebody registers a legit domain name (though with malicious intent), then proceeds to set up SPF, signs the phishing stuff with a DKiM key, etc. The images are pretty poor quality for me so can’t say for sure, with that said, I’m seeing an increased number of phishing coming through with DKIM, SPF and DMARC in place - the bad guys are getting smarter. None of the email sent or received have that address in listed in the headers. For more information, please visit d12-v6si40388496pgq.154 - gsmtp If the user is able to receive mail at that time, your message will be delivered. Please resend your message at a later time. Received-From-MTA: dns .comĭiagnostic-Code: smtp 550 5.4.300 Message expired -> 450 4.2.1 The user you are trying to contact is receiving mail at a rate that prevents additional messages from being delivered. The bounce back email from Microsoft contains a file called: details.txt. I don't know how they passed our SPF,DKIM, and DMARC checks: I started looking at the headers and sure enough. None of them recall sending any messages to the gmail address listed, which led me to believe it was just a spoofing attempt. Today a large portion of our accounting staff was received this message.
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