HttpResponse Headers Information Leakage on Server Error (Verbose Headers)

In the past I have dealt with security issues related to Default Service Banners/Verbose Headers/Information Leakage via HttpResponse Headers. These issues are quite common, and usually look something like this for an Asp.Net – IIS Server… Continue reading HttpResponse Headers Information Leakage on Server Error (Verbose Headers)

Which information is disclosed to a merchant when paying online with a credit card?

Several sites require me to input far too many personal details in order to register. This now includes phone numbers, which they have zero legitimate uses for – they are never used after the initial validation step – but when their databa… Continue reading Which information is disclosed to a merchant when paying online with a credit card?

Does WhatsApp’s link preview on the link messages leak information?

When we want to send a message that contains only a link – such as a question from the Stack Exchange network – WhatsApp displays information from the website as below:

Does this leak information about what was sent, and from who, and to … Continue reading Does WhatsApp’s link preview on the link messages leak information?

Dating Site Bumble Leaves Swipes Unsecured for 100M Users

Bumble fumble: An API bug exposed personal information of users like political leanings, astrological signs, education, and even height and weight, and their distance away in miles. Continue reading Dating Site Bumble Leaves Swipes Unsecured for 100M Users