For a fourth consecutive year, programmes designed to steal users’ logins, passwords and other confidential data remain top of the list of the most widespread malware distributed by email, according to Kaspersky Lab.
The internet security specialist summarised spammer activity for 2014 as follows:
- The proportion of spam in email flows was 66.8% in 2014, which is 2.8 percentage points lower than the previous year.
- The reduced level of spam emails is explained by the fact that the advertising of legal goods and services is migrating to new and more effective advertising platforms.
- The largest proportion of malicious emails (9.8%) targeted users in the US. The UK was next (9.6%) followed by Germany (9.2%).
- The biggest source of spam was the US (16.7%), followed by Russia (5.9%) and China (5.5%).
- For phishing attacks, 42.6% targeted global portals that integrate many services accessed via a single account.
- Users in Russia faced the highest proportion of all phishing attacks – 17.28% of the total number of attacks worldwide.
- Brazil was the country with the highest proportion of users targeted by phishers; 27.5% of all Kaspersky Lab users in the country faced an attack. Australia was second with 23.8%, India and France were close behind on 23% each.
- The top three organisations whose brand identities were most often used in phishing attacks were Yahoo! with 23.3%, Facebook with 10% and Google with 8.7% of the attacks.
Kaspersky Lab adds that spam mailings imitating emails sent from mobile devices are becoming very popular. Such emails are being distributed in several languages and mention a variety of devices, including iPad, iPhone, Samsung Galaxy and other models.
These messages shared a common characteristic – very short (or non-existent) text and a signature reading “Sent from my iPhone”. Typically, they contain links to malicious attachments.
Generally spam mass mailings imitate notifications from different mobile applications such as WhatsApp and Viber. Users are familiar with the synchronisation of cross-platform apps and the fact that contact data and notifications are often shared between apps.
As a result many mobile device owners don’t think twice about opening an email saying that something has arrived on their mobile messenger. However, these mobile applications are not connected to the user’s email account, which proves that such emails are obviously fake.
“Fake bank notifications are among the most common types of malicious spam or phishing attacks,” said Maria Vergelis, spam analyst at Kaspersky Lab. “Recently, we have seen noticeable changes in the structure of some phishing emails.
“In 2014, spammers began to complicate the design of fake messages by adding more links to official resources and services of the organisations from which they claim to be sending their bogus notifications. Obviously, the attackers hope that an email with a few legitimate links would be recognised as legitimate by users and spam filters alike. Meanwhile, the email contains a single fraudulent link that either redirects users to a phishing site or downloads a malicious archive.”
Earlier this week, Kaspersky Lab reported that nation-state sponsored cyberespionage attacks are growing in sophistication.
However, a London summit on the industry’s introduction of the technology cautions that testing and acceptance are still at an early stage and firms should proceed with caution.
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