Products
- - - Products
    - For OEMs
    - Malware Detection
    - Malware Analysis
    - URL Categorization
    - Email Security
    - Threat Intelligence
    - For Enterprises
    - Malware Analysis
    - Inbox Security for Office 365
    - Threat Intelligence
  - - In the News
      
      Online Businesses Become a Phisher’s Playground
      Not nearly enough businesses have deployed sufficient security measures against phishing attacks through website builders and CMS platforms.Read Article on DarkReading >
      
      Go to Newsroom >
Solutions
- - - Expert Support
      
      Cyren’s dedicated security analysts have the expertise to deeply investigate sophisticated threats – their embedded documents and messy code.
      
      And from their vantage point across companies, geographies, and industries, analysts can track emerging attack vectors and prevent breaches.
      
      “For any false positive or user reported items, we do not need to be involved. Cyren’s dedicated team is on top of all these items.”
      
      via Gartner Peer Insights
Resources
- - - Recent Posts
      - Analyzing behavior to protect against BEC attacks December 22, 2022
      - Using NLP techniques to protect against BEC attacks December 8, 2022
      - Phishing with QR codes December 1, 2022
Company
- - - In the News
      
      Online Businesses Become a Phisher’s Playground
      Not nearly enough businesses have deployed sufficient security measures against phishing attacks through website builders and CMS platforms.Read Article on DarkReading >
      
      Go to Newsroom >
GET A DEMO

Select Page

Cyren Security Blog

The Cyren Security Blog is where Cyren engineers and thought leaders provide insights, research and analysis on a range of current cybersecurity topics.

The micro-guide to spam terminology: false positives, false negatives, and true stuff

Perhaps the information presented above is 100% familiar to you. If you were woken in the middle of the night and told about an annoying false positive you would immediately realize that your spam filter had been a bit over-eager.

For many though, spam terminology is a teensy bit confusing. This probably has a lot to do with the naming convention: When spam is detected this is “positive” – But spam is a not a very positive thing. And of course legitimate email is “true negative”. Very intuitive…

Therefore in the interests of greater global understanding we present the above info-drawing-thingy.

May 5, 2011 | Security Research & Analysis

Categories

You might also like

Analyzing behavior to protect against BEC attacks

Business Email Compromise

Understanding “normal” behaviors in email exchanges are key to combating advanced phishing and BEC attacks by John Stevenson Detecting Business Email Compromise (BEC) In the final part of our series of blogs on Business Email Compromise (BEC), it’s time to look at how...

Using NLP techniques to protect against BEC attacks

Business Email Compromise, Office 365, Phishing

How Natural Language Programming help combat phishing and BEC attacks by John Stevenson Business Email Compromise (BEC) Business Email Compromise (BEC) covers a range of email attacks that typically share a common core attribute. There is no obvious executable...

Phishing with QR codes

Phishing, Security Research & Analysis

Don’t Scan or be Scammed By Maharlito Aquino, Kervin Alintanahin and Dexter To In 1994, a type of the matrix barcode known as the Quick Response code, now widely known as QR code, was invented by Masahiro Hara from a Japanese company Denso Wave. The purpose of the...