Friday, May 19, 2017

Post #WannaCry Reaction #127: Do I Need a Pen Test?

By Daniel Miessler
In the wake of WannaCry and other recent events, everyone from the Department of Homeland Security to my grandmother are recommending penetration tests as a silver bullet to prevent falling victim to the next cyber attack. But a penetration test is not a silver bullet, nor is it universally what is needed for improving the security posture of an organization. There are several key factors to consider. So I thought it might be good to review the difference between a penetration test and a vulnerability assessment since this is a routine source of confusion in the market. In fact, I’d venture to say that while there is a lot of good that comes from a penetration test, what people actually more often need is a vulnerability assessment.

Tuesday, May 16, 2017

#WannaCry: Examining Weaponized Malware

By Brad Hegrat
Attribution: You Keep Using That Word, I Do Not Think It Means What You Think It Means...
In internal discussions in virtual halls of IOActive this morning, there were many talks about the collective industry’s rush to blame or attribution over the recent WanaCry/WannaCrypt ransomware breakouts. Twitter was lit up on #Wannacry and #WannaCrypt and even Microsoft got into the action, stating, We need governments to consider the damage to civilians that comes from hoarding these vulnerabilities and the use of these exploits.”

Opinions for blame and attribution spanned the entire spectrum of response, from the relatively sane…

Saturday, May 13, 2017

We’re gonna need a bigger boat....

By Brad Hegrat
A few weeks ago back in mid-March (2017), Microsoft issued a security bulletin (MS17-010) and patch for a vulnerability that was yet to be publicly disclosed or referenced. According to the bulletin, “the most severe of the vulnerabilities could allow remote code execution if an attacker sends specially crafted messages to a Microsoft Server Message Block 1.0 (SMBv1) server. This security update is rated Critical for all supported releases of Microsoft Windows.