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Spam and phishing in Q3 2017

In terms of the average share of spam in global email traffic (58.02%), the third quarter of 2017 was almost identical to the previous reporting period: once again growth was slightly more than one percentage point – 1.05 (and 1.07 p.p. in Q2 2017). As in previous quarters, spammers were quick to react to high-profile events and adapted their fraudulent emails to the news agenda.

Spam and phishing in Q2 2017

In Q2 2017, the average share of spam in global email traffic amounted to 56.97%, which was only 1.07 p.p. more than in the previous quarter. One of the most notable events of this quarter – the WannaCry epidemic – did not go unnoticed by spammers: numerous mass mailings contained offers of assistance in combating the ransomware.

Spam and phishing in Q1 2017

Although the beginning of Q1 2017 was marked by a decline in the amount of spam in overall global email traffic, in March the situation became more stable, and the average share of spam for the quarter amounted to 55.9%. The US (18.75%) remained the biggest source of spam, followed by Vietnam (7.86%) and China (7.77%).

Spam and phishing in 2016

2016 saw a variety of changes in spam flows, with the increase in the number of malicious mass mailings containing ransomware being the most significant. These programs are readily available on the black market, and in 2017 the volume of malicious spam is unlikely to fall.

Spam and phishing in Q3 2016

In the third quarter of 2016, the proportion of spam in email traffic increased by 2 p.p. compared to the previous quarter and accounted for 59.19%. The largest percentage of spam – 61.25% – was registered in September.

Spam and phishing in Q2 2016

In the second quarter of 2016, the proportion of spam in email traffic increased insignificantly – by 0.33 p.p. – compared to the previous quarter and accounted for 57.25%. The US remained the biggest source of spam. As in the previous quarter, the top three sources also included Vietnam and India.

Spam and phishing in Q1 2016

In the first quarter of 2016 the percentage of spam in email traffic increased by 2.7 percentage points compared with the previous quarter. But it is too early to speak about a growth trend. The US remained the biggest source of spam in Q1 2016. The Top 5 also included Vietnam, India, Brazil and China – all large, fast developing countries with high levels of internet connection.

Kaspersky Security Bulletin. Spam and phishing in 2015

In 2015, the proportion of spam in email traffic decreased by 11.48 percentage points and accounted for 55.28%. The largest decline was observed in the first quarter; from April the fluctuations stabilized and were within a few percentage points. This reduction was caused by the migration of advertising for legal goods and services from spam flows to more convenient and legal platforms, as well as by the expansion of the “gray” zone in mass mailings.

Arabian tales by ‘Nigerians’

The war in Syria, which began several years ago, has recently become one of the most widely reported events in the media. Along with the growing interest of the international community in Middle East events, “Nigerian” scammers have also jumped on the bandwagon.

Kaspersky Security Bulletin. Spam in 2014

In 2014, the proportion of spam in email traffic was 66.76%, which is 2.84 percentage points lower than in the previous year. Spam levels have fallen consistently from a peak of 85.2% in 2009. This is due to the fact that adverts for legal goods and services are abandoning spam in favor of more effective legal advertising platforms.

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