public:emai:spam

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public:emai:spam [2021-10-26 10:02] – veselypublic:emai:spam [2021-11-19 08:12] – vesely
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 ---- ----
  
-See also "**[[:public:emai:malware|Dealing with malware, spam, suspicious content]]**" in separated CERGE-EI Wiki article (details about security measures applied to incoming emails)+<faicon fa fa-hand-o-right> See also "**[[:public:emai:malware|Dealing with malware, spam, suspicious content]]**" in separated CERGE-EI Wiki article (details about security measures applied to incoming emails)
  
-and **[[:public:emai:spam_chain|"Spam fiters at CERGE-EI"]]**  (describing chain of email filters for incoming traffic)+<faicon fa fa-hand-o-right> and **[[:public:emai:spam_chain|"Spam fiters at CERGE-EI"]]**  (describing chain of email filters for incoming traffic)
  
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 === spam === === spam ===
 +<code>
  
 [Classification: POTENTIALY DANGEROUS] [Classification: POTENTIALY DANGEROUS]
 +
 +</code>
  
   * Unsolicited mail, just offers unneeded or annoying things.   * Unsolicited mail, just offers unneeded or annoying things.
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 === hoax === === hoax ===
  
 +<code>
 [Classification: ANNOYING] [Classification: ANNOYING]
 +
 +</code>
  
   * By wiki: A hoax is a falsehood deliberately fabricated to masquerade as the truth.   * By wiki: A hoax is a falsehood deliberately fabricated to masquerade as the truth.
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 === phishing === === phishing ===
  
 +<code>
 [Classification: PRETTY DANGEROUS] [Classification: PRETTY DANGEROUS]
 +
 +</code>
  
   * Ask for confidential and private information, often by using fraudulent webpage, masking the request as an account renew etc. Make __time pressure__  and __urgency illusion__.   * Ask for confidential and private information, often by using fraudulent webpage, masking the request as an account renew etc. Make __time pressure__  and __urgency illusion__.
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 === spoofing === === spoofing ===
  
 +<code>
 [Classification: DANGEROUS] [Classification: DANGEROUS]
 +
 +</code>
  
   * The message looks like sent from a trustworthy address, your jobmate, manager, IT crowd, your home institution server etc.   * The message looks like sent from a trustworthy address, your jobmate, manager, IT crowd, your home institution server etc.
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 === malware === === malware ===
  
 +<code>
 [Classification: DANGEROUS] [Classification: DANGEROUS]
 +
 +</code>
  
   * The harmful code hidden in an executable attachment or in a document as a macro or on the fraudulent webpage linked from the message.   * The harmful code hidden in an executable attachment or in a document as a macro or on the fraudulent webpage linked from the message.
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 === ransomware === === ransomware ===
  
 +<code>
 [Classification: THE MOST DANGEROUS] [Classification: THE MOST DANGEROUS]
 +
 +</code>
  
   * Special malware __encrypting every data__  you can access and asking ransom. The process of encrypting could be long term so backups could be affected too.   * Special malware __encrypting every data__  you can access and asking ransom. The process of encrypting could be long term so backups could be affected too.
-  * It is important to avoid being infected by such malware. It affects the whole institution.+  * Avoid being infected by malware.
  
 ==== What to do, if you are uncertain about email (possible cyber attack) ==== ==== What to do, if you are uncertain about email (possible cyber attack) ====
  • /var/www/html/dokuwiki/data/pages/public/emai/spam.txt
  • Last modified: 2022-12-02 10:04
  • by vesely