VB Blog

DMARC: an imperfect solution that can make a big difference

Posted by Martijn Grooten on Jul 24, 2017

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.

Posted by Martijn Grooten on Jul 20, 2017

Unsurprisingly given today's threat landscape, the VB2017 programme contains several talks on various advanced persistent threats - but also a talk on what may be the polar opposite of such threats: an inept persistent threat.

Posted by Martijn Grooten on Jul 18, 2017

Password security advice focuses too much on password strength and too little on avoiding password reuse, Martijn Grooten argues.

Posted by Martijn Grooten on Jul 17, 2017

Though the location will remain a secret for a few more months, we are pleased to announce the dates for VB2018, the 28th Virus Bulletin International Conference.

Posted by Martijn Grooten on Jul 10, 2017

The second edition of BSides Athens saw a great and varied programme presented in the Greek capital. VB's Martijn Grooten was pleased to attend.

Posted by Martijn Grooten on Jul 7, 2017

Spreading 'FUD' in the wake of cyber-attacks is never a good idea. But it's even worse when this might be one of the attackers' implicit goals.

Posted by Martijn Grooten on Jul 7, 2017

For the third year in a row, we have set aside a limited number of student tickets for the Virus Bulletin conference, to allow 'next-generation' security researchers to experience one of the most important gatherings of security researchers around the world.

Posted by Martijn Grooten on Jul 4, 2017

Virus Bulletin has opened nominations for the fourth annual Péter Szőr Award, for the best piece of technical security research published between 1 July 2016 and 30 June 2017.

Posted by Martijn Grooten on Jul 3, 2017

According to some researchers, there is some evidence linking the recent (Not)Petya attacks with the BlackEnergy group - which became infamous for its targeted attacks against the Ukraine. At VB2016, ESET researchers Anton Cherepanov and Robert Lipovsky spoke about BlackEnergy, providing an overview of the group's attacks. Today, we publish their paper.

Posted by Martijn Grooten on Jun 30, 2017

As WannaCry and (Not)Petya have shown, malware attacks can do a lot of damage. So is staying safe just a case of following good security advice?

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'Olympic' emails contain malicious XLS attachments

Malware writers sprint to use vulnerabilities before next Patch Tuesday.
Malware writers sprint to use vulnerabilities before next Patch Tuesday. Security researchers have reported seeing emails containing XLS attachments designed to exploit a yet… https://www.virusbulletin.com/blog/2008/03/olympic-emails-contain-malicious-xls-attachments/

Bumper Patch Tuesday short of one patch

Excel remains vulnerable as expected fix is dropped.
Excel remains vulnerable as expected fix is dropped.Microsoft has issued its monthly 'Patch Tuesday' set of security updates, with a larger than usual crop of patches for a variety… https://www.virusbulletin.com/blog/2008/02/bumper-patch-tuesday-short-one-patch/

More PDF exploits seen in wild

Adobe Reader and Acrobat flaws open way for further document attacks.
Adobe Reader and Acrobat flaws open way for further document attacks. A string of vulnerabilities in Adobe's PDF viewing and editing software, disclosed late last week by Adobe and… https://www.virusbulletin.com/blog/2008/02/more-pdf-exploits-seen-wild/

Yahoo! jukebox flaw exploits in wild

Zero day vulnerability in music system rapidly targeted.
Zero day vulnerability in music system rapidly targeted.Vulnerabilities in Yahoo! Jukebox, a free music-management system provided by Yahoo!, have been exploited by in-the-wild… https://www.virusbulletin.com/blog/2008/02/yahoo-jukebox-flaw-exploits-wild/

Microsoft alert on Excel vulnerability

Targeted exploitation of zero-day flaw seen in wild.
Targeted exploitation of zero-day flaw seen in wild.Microsoft has issued a security advisory on an unresolved vulnerability in its Excel software, which has been reported as a… https://www.virusbulletin.com/blog/2008/01/microsoft-alert-excel-vulnerability/

SQL attack hacks wide range of sites

CA among victims of major attack linking sites to malware.
CA among victims of major attack linking sites to malware. Huge numbers of legitimate websites - perhaps as many as 100,000 according to some reports - fell victim to hackers… https://www.virusbulletin.com/blog/2008/01/sql-attack-hacks-wide-range-sites/

Four IE bugs fixed by Patch Tuesday release

Seven updates, three critical in monthly security update.
Seven updates, three critical in monthly security update.Microsoft has released its monthly 'Patch Tuesday' security bulletin, featuring seven updates of which three are marked… https://www.virusbulletin.com/blog/2007/12/four-ie-bugs-fixed-patch-tuesday-release/

Grisoft acquires Exploit Prevention Labs

AVG to incorporate LinkScanner in further consolidation of security offerings.
AVG to incorporate LinkScanner in further consolidation of security offerings.Grisoft, developer of the AVG security product whose free version is widely deployed on home-user… https://www.virusbulletin.com/blog/2007/12/grisoft-acquires-exploit-prevention-labs/

SANS issues vulnerability top 20

Annual study of security risks finds software and humans present dangers.
Annual study of security risks finds software and humans present dangers. The SANS Institute has released its annual survey of vulnerabilities putting computer systems and networks… https://www.virusbulletin.com/blog/2007/11/sans-issues-vulnerability-top-20/

QuickTime flaw could open Windows PCs to hackers

Firefox users most vulnerable; Internet Explorer users should be wary too.
Firefox users most vulnerable; Internet Explorer users should be wary too. Polish security researcher Krystian Kloskowski has published a proof-of-concept exploit for a… https://www.virusbulletin.com/blog/2007/11/quicktime-flaw-could-open-windows-pcs-hackers/

Five-year-old design flaw found in all Windows versions

Microsoft engineers spend Thanksgiving holidays writing patch.
Microsoft engineers spend Thanksgiving holidays writing patch. During the Kiwicon conference earlier this month, ethical hacker Beau Butler from New Zealand disclosed a design flaw… https://www.virusbulletin.com/blog/2007/11/five-year-old-design-flaw-found-all-windows-versions/

Two fixes released on lightweight Patch Tuesday

Monthly security update covers just couple of dangers.
Monthly security update covers just couple of dangers.Microsoft has released its monthly 'Patch Tuesday' security bulletin, with only two patches issued, one rated 'Important' and… https://www.virusbulletin.com/blog/2007/11/two-fixes-released-lightweight-patch-tuesday/

PDF trojan exploits Adobe flaw

Reader/Acrobat vulnerability targeted day after patch release.
Reader/Acrobat vulnerability targeted day after patch release. A vulnerability in Adobe's popular PDF-viewing software Adobe Reader and editing suite Acrobat, first reported a… https://www.virusbulletin.com/blog/2007/10/pdf-trojan-exploits-adobe-flaw/

RealPlayer zero-day flaw exploited

Manufacturer responds rapidly to serious security hole.
Manufacturer responds rapidly to serious security hole. A zero-day vulnerability in the popular media playing system RealPlayer was spotted being exploited in the wild late last… https://www.virusbulletin.com/blog/2007/10/realplayer-zero-day-flaw-exploited/

Kaspersky fixes serious vulnerability in Online Scanner

Exploitable ActiveX control replaced in new version.
Exploitable ActiveX control replaced in new version.Kaspersky Lab has released an updated version of its popular free online scanner to remedy a vulnerability in an ActiveX control… https://www.virusbulletin.com/blog/2007/10/kaspersky-fixes-serious-vulnerability-online-scanner/

Word for Mac exploit spotted

Patch Tuesday flaw targeted by vulnerability.
Patch Tuesday flaw targeted by vulnerability. A vulnerability in the Apple Mac version of Microsoft Word, covered by a patch in this month's Patch Tuesday security update, has been… https://www.virusbulletin.com/blog/2007/10/word-mac-exploit-spotted/

4 out of 5 critical issues fixed on Patch Tuesday

Expected patch omitted from monthly security update.
Expected patch omitted from monthly security update.Microsoft has announced the contents of its monthly 'Patch Tuesday' security update release, with four 'Critical' and two… https://www.virusbulletin.com/blog/2007/10/4-out-5-critical-issues-fixed-patch-tuesday/

Adobe acknowledges PDF flaw, issues workaround

Registry hack provides temporary fix for vulnerability.
Registry hack provides temporary fix for vulnerability.Adobe has officially confirmed the vulnerability announced last month by researcher Petko Petkov, which could allow… https://www.virusbulletin.com/blog/2007/10/adobe-acknowledges-pdf-flaw-issues-workaround/

Sun patches serious Java flaws

Critical vulnerabilities covered by urgent patches.
Critical vulnerabilities covered by urgent patches.Sun Microsystems has issued a series of patches to fix several vulnerabilities in its popular Java software. Successful… https://www.virusbulletin.com/blog/2007/10/sun-patches-serious-java-flaws/

Alarm over possible PDF flaw

Vulnerability announcement hyped to disaster level.
Vulnerability announcement hyped to disaster level. The announcement of a potentially serious vulnerability in the ubiquitous Adobe PDF document format sparked considerable media… https://www.virusbulletin.com/blog/2007/10/alarm-over-possible-pdf-flaw/

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