VB Blog

Massive data breach confirms what you already knew: you are getting spam

Posted by   Martijn Grooten on   Sep 4, 2017

A security researcher found more than 700 million email addresses stored on a server used by a spam botnet, which gives us some insight into what the email lists used by spammers look like.

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VB2017 preview: State of cybersecurity in Africa: Kenya

Posted by   Martijn Grooten on   Sep 4, 2017

We preview the VB2017 presentation by Tyrus Kamau (Euclid Security), who will talk about the state of cybersecurity in Africa, with a particular focus on his home country, Kenya.

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VB2017 preview: Calling all PUA fighters

Posted by   Martijn Grooten on   Aug 31, 2017

We preview the VB2017 Small Talk to be given by AppEsteem's Dennis Batchelder that should help security vendors make decisions about apps whose behaviours sit right on the limits of what is acceptable from a security point of view.

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VB2017 preview: From insider threat to insider asset: a practical guide

Posted by   Martijn Grooten on   Aug 30, 2017

We preview the VB2017 paper by Forcepoint's Kristin Leary and Richard Ford, who will discuss a practical approach to preventing insider attacks.

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WireX DDoS botnet takedown shows the best side of the security industry

Posted by   Martijn Grooten on   Aug 29, 2017

Collaboration between a number of security companies has led to the takedown of the WireX Android DDoS botnet. Efforts like these, and the fact that the companies involved all decided to publish the very same blog post, show the best side of the security industry.

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VB2017 preview: Your role in child abuse

Posted by   Martijn Grooten on   Aug 28, 2017

We preview the VB2017 presentation by Mick Moran, who will discuss online child abuse and the role the security community can play fighting it.

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ROPEMAKER email exploit is of limited practical use

Posted by   Martijn Grooten on   Aug 28, 2017

Researchers at Mimecast have published a paper about the 'ROPEMAKER' exploit, which allows an email sender with malicious intentions to change the visial appearance of an email after it has been delivered.

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VB2017 preview: Mariachis and jackpotting: ATM malware from Latin America

Posted by   Martijn Grooten on   Aug 25, 2017

We preview the VB2017 presentation by Kaspersky Lab researchers Thiago Marques and Fabio Assolini in which they look at malware targeting ATMs in Latin America.

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VB2017 preview: Stuck between a ROC and a hard place

Posted by   Martijn Grooten on   Aug 24, 2017

We preview the VB2017 paper by Microsoft's Holly Stewart and Joe Blackbird, which uses data about users switching anti-virus provider to decide whether machine-learning models should favour avoiding false positives over false negatives.

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VB2017 preview: Consequences of bad security in health care

Posted by   Martijn Grooten on   Aug 23, 2017

We preview the VB2017 presentation by Jelena Milosevic, an ICU nurse by profession, who will provide the audience with an inside view of security in hospitals.

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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/

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/

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/

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