VB Blog

Box-ticking mentality leads to insecurity

Posted by   Virus Bulletin on   Sep 6, 2013

Credit card company fails to understand how authentication works.

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VB2013 speaker spotlight

Posted by   Virus Bulletin on   Sep 6, 2013

We speak to VB2013 presenter Andrei Serbanoiu about Facebook ad spam and scams, and what he aims to bring to VB2013.

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Updated botnet likely cause of surge in Tor traffic

Posted by   Virus Bulletin on   Sep 5, 2013

New Tor version should help the network deal with increased traffic.

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Malware spoofing HTTP Host header to hide C&C communication

Posted by   Virus Bulletin on   Sep 4, 2013

Traffic appears as requests to Google or Yandex.

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Phone support scams: an old scam with some new tricks

Posted by   Virus Bulletin on   Sep 2, 2013

Files in Prefetch directory supposedly show malware infections.

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September issue of VB published

Posted by   Virus Bulletin on   Sep 1, 2013

The September issue of Virus Bulletin is now available for subscribers to download.

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VB2013 speaker spotlight

Posted by   Virus Bulletin on   Aug 30, 2013

We speak to Joe Blackbird and Bill Pfeifer about how anti-malware protection states affect infection rates.

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Kelihos checks machines' IP addresses against DNS blacklists

Posted by   Virus Bulletin on   Aug 29, 2013

Role of node in a botnet dependent on whether the IP address is blacklisted.

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New email header attempts to prevent damage of reissued email addresses

Posted by   Virus Bulletin on   Aug 27, 2013

Transactional emails not delivered if the account's owner has changed in the meantime.

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VB2013 speaker spotlight

Posted by   Virus Bulletin on   Aug 23, 2013

We speak to Gunter Ollmann about the growing need to assess corporate security defences from a hacker's perspective.

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Search blog

DMARC: an imperfect solution that can make a big difference

US Senator Ron Wyden has asked the Department of Homeland Security to implement DMARC. Martijn Grooten looks at what difference this could make for phishing attacks impersonating the US federal governent.
US Senator Ron Wyden has written a letter (pdf) to the Department of Homeland Security, urging the US government to implement DMARC to "ensure hackers cannot send emails that… https://www.virusbulletin.com/blog/2017/07/dmarc-imperfect-solution-can-make-big-difference/

TorrentLocker spam has DMARC enabled

Use of email authentication technique unlikely to bring any advantage.
Use of email authentication technique unlikely to bring any advantage. Last week, Trend Micro researcher Jon Oliver (who presented a paper on Twitter abuse at VB2014) wrote an… https://www.virusbulletin.com/blog/2015/03/torrentlocker-spam-has-dmarc-enabled/

Impressive results in latest VBSpam test

Excellent performances in spam filter test - plus evidence of a correlation between spam 'passing' SPF and an increased delivery rate.
Excellent performances in spam filter test - plus evidence of a correlation between spam 'passing' SPF and an increased delivery rate. No fewer than ten anti-spam solutions… https://www.virusbulletin.com/blog/2013/02/impressive-results-latest-vbspam-test/

EU report suggests 95% of email is spam

Less than five per cent of all SMTP connections result in an email being delivered into a user's inbox.
Less than five per cent of all SMTP connections result in an email being delivered into a user's inbox. A survey carried out by the European Network and Information Security Agency… https://www.virusbulletin.com/blog/2010/01/eu-report-suggests-95-email-spam/

VB announces latest VBSpam certification results

Two products achieve top level VBSpam Platinum award.
Two products achieve top level VBSpam Platinum award. Virus Bulletin has announced the results of its second comparative review of anti-spam products, revealing two top-level… https://www.virusbulletin.com/blog/2009/07/vb-announces-latest-vbspam-certification-results/

DKIM usage shows significant growth

US banks urged to use authentication method
US banks urged to use authentication method In a report on its website, Internet giant Cisco states it has been seeing almost 700,000 non-spam messages that contain valid DKIM… https://www.virusbulletin.com/blog/2009/06/dkim-usage-shows-significant-growth/

Unsafe computing in abundance

Reports and statistics on unsafe computing practices.
Reports and statistics on unsafe computing practices. Last month saw a flurry of reports and statistics on unsafe computing practices. To kick off, almost a quarter of… https://www.virusbulletin.com/blog/2007/09/unsafe-computing-abundance/

Sender authentication checks on the rise

SPF records creep into top ten content triggers checked by ISPs.
SPF records creep into top ten content triggers checked by ISPs. A report by email marketing software provider Lyris has revealed that use of the Sender Policy Framework (SPF)… https://www.virusbulletin.com/blog/2007/09/sender-authentication-checks-rise/

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