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Threat Report

Threat Report

Threat Report

This week’s blog covers this month’s threats, trends and insights over a few categories:

  • Malware
  • Spam
  • Web Attacks
  • Phishing
  • Mobile & Social Media

It is interesting to see the changes from month to month. Please see below for an overview of this month and year.

Malware

Summary
  • The email malware rate increased slightly in August to one in 347 emails. This is the highest rate of activity seen since December 2016
  • The Agriculture, Forestry, & Fishing sector had the highest email malware rate at one in 124 emails
  • Organisations with 1501-2500 employees had the highest rate at one in 198 emails
  • The number of new malware variants decreased in August, dropping from 58.7 million to 54.2 million variants
Email Malware Rate

Email Malware Rate

New Malware Variants

New Malware Variants

Spam

Summary
  • The global spam rate crossed the 55 percent threshold in August, reaching 55.3 percent. This is the highest spam rate seen since March 2015
  • At 59.6 percent, the Mining sector had the highest spam rate, up 0.5 percentage points
  • The Manufacturing sector came in second, increasing 0.3 percentage points to 57.2 percent
  • Organizations with 1001-1500 employees had the highest spam rate in August

Spam Summary

Spam Rate

Phishing

Summary
  • The phishing rate decreased in August, down to one in 2,493 emails
  • This follows five months of increasing phishing rates, which reached a 12-month high in July
  • Phishing rates also decreased across industries. The Public Administration sector had the highest phishing rate at one in 1,895 emails
  • All organization sizes saw decreases in phishing during the month of August
Email Phishing Rate

Email Phishing Rate

Web Attacks

Summary
  • The number of web attacks blocked increased slightly in August, up from 1,159,000 per day to 1,241,000 per day
  • This follows slight web attack declines over the last two months
  • Overall August marks five months of elevated web attack activity
Web Attacks Blocked Per Day

Web Attacks Blocked Per Day

Mobile & Social Media

Summary
  • Fake Offers topped social media scams, comprising almost 47 percent of scams in August
  • Manual Sharing increased in August, up to 44 percent
  • Like Jacking increased more than 4 percentage points, making up 8.74 percent and coming in third for August
  • No new Android malware families were discovered during August
New Android Malware Families

New Android Malware Families