Email signing method now 'Draft Standard'.
Email signing method now 'Draft Standard'. The Internet Engineering Task Force (IETF) has published a new RFC describing the DKIM protocol which sees its status advance from… https://www.virusbulletin.com/blog/2011/09/new-rfc-grants-dkim-improved-status/
Increase in malware in spam has not led to increase in malicious activity.
Increase in malware in spam has not led to increase in malicious activity. Security researchers have noticed a significant increase in the quantity of spam sent with malicious… https://www.virusbulletin.com/blog/2011/09/malicious-spam-campaigns-leave-experts-puzzled/
Good practice means good performance.
Good practice means good performance. Newsletters that do not confirm their subscriptions are twice as likely to be blocked by spam filters as those that do, Virus Bulletin has… https://www.virusbulletin.com/blog/2011/09/confirmed-newsletter-subscriptions-half-likely-be-blocked/
Spam filters less likely to block current malware campaigns.
Spam filters less likely to block current malware campaigns. While several reports show that the global levels of spam have seen a steady decline over the past year, this month has… https://www.virusbulletin.com/blog/2011/08/explosive-growth-malicious-spam/
'Sick leave' message followed by weight loss spam.
'Sick leave' message followed by weight loss spam. In an apparently new way of spreading their messages, spammers are advertising their products via fake out-of-office replies.… https://www.virusbulletin.com/blog/2011/08/spam-sent-fake-out-office-messages/
'See who stalks my Twitter' used to lure users.
'See who stalks my Twitter' used to lure users. A malicious Twitter application is currently spreading on the microblogging network, luring users to hand over their passwords,… https://www.virusbulletin.com/blog/2011/07/rogue-twitter-application-steals-passwords/
'My friend has been spammed' button also welcomed by experts.
'My friend has been spammed' button also welcomed by experts.Microsoft's free webmail service Hotmail has introduced some new features which should make it less likely for its… https://www.virusbulletin.com/blog/2011/07/hotmail-beefs-security-stricter-password-policy/
Large fraction of sites deemed 'spammy or low-quality'.
Large fraction of sites deemed 'spammy or low-quality'.Google has removed all sites running on subdomains of .co.cc from its search engine index as the company believes too large a… https://www.virusbulletin.com/blog/2011/07/google-delists-all-co-cc-domains-its-index/
Templates from social networking sites used to make messages appear legitimate.
Templates from social networking sites used to make messages appear legitimate. According to Symantec, spammers are increasingly using templates from social networking sites to… https://www.virusbulletin.com/blog/2011/06/spammers-using-social-network-templates/
Login details would give spammers access to legitimate mail servers.
Login details would give spammers access to legitimate mail servers. A phishing scam has been identified that targets users of Microsoft Outlook and tries to obtain SMTP login… https://www.virusbulletin.com/blog/2011/06/outlook-spam-phishes-smtp-credentials/
Financial infrastructure possible bottleneck for spammers.
Financial infrastructure possible bottleneck for spammers. In a recently published paper, researchers from the University of California found that 95 per cent of spamvertised… https://www.virusbulletin.com/blog/2011/05/95-spam-monetized-through-three-banks/
Windows executable appears to be Word document.
Windows executable appears to be Word document. An unicode trick that reverses the order of some characters has been used by spammers to disguise malicious attachments as harmless… https://www.virusbulletin.com/blog/2011/05/spammers-use-unicode-trick-manipulate-file-names/
Zero-day exploit actively being abused.
Zero-day exploit actively being abused.Adobe has announced it will release an update for its Flash Player on Friday 15 April, fixing a vulnerability that is currently being… https://www.virusbulletin.com/blog/2011/04/adobe-releases-emergency-update-flash-player/
Financial institutions among affected customers.
Financial institutions among affected customers. Email service provider Epsilon, which carries out email marketing for many major companies, has admitted it has fallen victim to a… https://www.virusbulletin.com/blog/2011/04/major-email-service-provider-suffers-data-breach/
Operators made several million through botnet.
Operators made several million through botnet. Researchers from The Last Line of Defense and universities in Bochum and Santa Barbara have shared some insight into the workings of… https://www.virusbulletin.com/blog/2011/03/cutwail-botnet-sent-1-7-trillion-spam-messages/
Eerie silence from Rustock botnet. Microsoft reported to have co-ordinated take down.
Eerie silence from Rustock botnet. Microsoft reported to have co-ordinated take down. Spam levels have taken a nose dive over the last 24 hours - apparently as a result of a take… https://www.virusbulletin.com/blog/2011/03/spam-levels-take-nose-dive-rustock-apparently-taken-down-update/
Non-Latin characters in URLs used to trick filters.
Non-Latin characters in URLs used to trick filters. By using internationalized domain names (IDN), spammers manage to avoid detection of URLs in their messages. IDNs were… https://www.virusbulletin.com/blog/2011/03/spammers-exploit-internationalized-domain-names/
Spammers finding new ways to obtain non-blacklisted addresses.
Spammers finding new ways to obtain non-blacklisted addresses. While not necessarily related to the current unrest in Egypt - which, among other things, led to the cutting off of… https://www.virusbulletin.com/blog/2011/02/mrs-mubarak-s-ip-addresses-used-spammers/
New botnet shares fast flux DNS and other similarities with Storm and Waledac.
New botnet shares fast flux DNS and other similarities with Storm and Waledac. In the last few days of 2010, security researchers discovered a new botnet that shares many… https://www.virusbulletin.com/blog/2011/01/new-peer-peer-botnet-discovered/
Mobile botnet sending out SMS spam.
Mobile botnet sending out SMS spam. Over one million mobile phones in China have been infected with malware and are sending out SMS spam, the Shanghai Daily reports. Masquerading… https://www.virusbulletin.com/blog/2010/11/more-1-million-chinese-phones-infected-malware/