The “From” address in the header does not fall under the protection of the SPF record, meaning that hackers can still spoof your display name. When an email is forwarded, the SPF record breaks, thus it will no
Email spoofing is a technique that hackers use for phishing attacks. Learn what spoofing is, how it works, and how to stop it or prevent becoming a victim.
Summer is finally here and if you’re flying off to a white sand beach, there are a few things that will make your holiday even more enjoyable. Whether you’re basking in the sun’s rays at a Thai beach resort or exploring the Greek islands, a well-packed beach bag will only add ...
You may be tempted to grab the sunscreen with the highest level of SPF, but that doesn’t automatically mean you’re getting better protection. SPF calculations come from laboratory research. Scientists there have greater control over the environment than you do when you go outside. At the sam...
Pretty Good Privacy uses a variation of the public key system. In this system, each user has an encryption key that is publicly known and a secret,private keythat is known only to that user. Users encrypt a message they send to someone else using that person's public PGP key. When the...
v=spf1 include:_spf.google.com include:mail.zendesk.com include:228391.spf01.hubspotemail.net ~all SPF records always start with the v= element. This indicates the SPF version that is used. At the time of writing, this should always be spf1 as this is the most common version of SPF...
After the neighbor relationship is established, routing devices wait for two Hello packet intervals before electing a DIS. The Hello packets exchanged between devices contain the Priority field. The device with the highest priority value is elected as the DIS of the broadcast network. If the ...
A proxy server is an intermediary server that retrieves data from an Internet source, such as a webpage, on behalf of a user. They act as additional data security boundaries protecting users from malicious activity on the internet. Proxy servers have many different uses, depending on their con...
NotPetya, 2017.Like WannaCry, NotPetya takes advantage of the EternalBue exploit. As wiperware, however, it destroys victims' files after encrypting them -- even if they meet ransom demands. NotPetya caused an estimated $10 billion in losses worldwide. One of the highest-profile targets, Danish...
Arielle Berger