95% of email is spam
Posted on 22 January 2010.
The European Network and Information Security Agency (ENISA) released its new spam report which looks at spam budgets, impact of spam and spam management.

The survey targeted email service providers of different types and sizes, and received replies from 100 respondents from 30 different countries, throughout the EU (26/27 EU Member States); and 80 million mailboxes managed. The survey analyses how e-mail service providers combat spam in their networks, and identifies the state of art in the fight against spam.

Some of the key findings are:
  • Less than 5% of all email traffic is delivered to mailboxes. This means the main bulk of mails, 95%, is spam. This is a very minor change, from 6%, in earlier ENISA reports.
  • 70% of respondents consider spam extremely significant or significant for their security operations.
  • Over 25% of respondents had spam accounting for >10% of helpdesk calls.
  • Among very small providers, 1/4 of respondents allocate anti-spam budgets of over EUR 10,000 per year.
  • 1/3 of very large providers dedicate anti-spam budgets >EUR 1 Mn/year.
  • Fighting spam has reached a certain level of maturity.
  • ISPs are using various kinds of measures: technical, awareness, policies and legal framework. Blacklists are the most commonly used anti-spam tool. On average 5 kinds of measures are used.
  • ISPs consider spam prevention as a competitive advantage to attract and retain customers. However, spam is not a critical factor.
The complete report is available for download here.





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