Thursday, July 19, 2018

Video: Creating Graph Visualizations With Gephi

I wanted to create a how-to blog post about creating gephi visualizations, but I realized it’d probably need to include, like, a thousand embedded screenshots. So I made a video instead.

Pr0nbots2: Revenge Of The Pr0nbots

A month and a half ago I posted an article in which I uncovered a series of Twitter accounts advertising adult dating (read: scam) websites. If you haven’t read it yet, I recommend taking a look at it before...

Marketing “Dirty Tinder” On Twitter

About a week ago, a Tweet I was mentioned in received a dozen or so “likes” over a very short time period (about two minutes). I happened to be on my computer at the time, and quickly took a...

How To Get Twitter Follower Data Using Python And Tweepy

In January 2018, I wrote a couple of blog posts outlining some analysis I’d performed on followers of popular Finnish Twitter profiles. A few people asked that I share the tools used to perform that research. Today, I’ll share...

Improving Caching Strategies With SSICLOPS

F-Secure development teams participate in a variety of academic and industrial collaboration projects. Recently, we’ve been actively involved in a project codenamed SSICLOPS. This project has been running for three years, and has been a joint collaboration between ten...

Searching Twitter With Twarc

Twarc makes it really easy to search Twitter via the API. Simply create a twarc object using your own API keys and then pass your search query into twarc’s search() function to get a stream of Tweet objects. Remember...

NLP Analysis Of Tweets Using Word2Vec And T-SNE

In the context of some of the Twitter research I’ve been doing, I decided to try out a few natural language processing (NLP) techniques. So far, word2vec has produced perhaps the most meaningful results. Wikipedia describes word2vec very precisely: “Word2vec takes as...

NLP Analysis And Visualizations Of #presidentinvaalit2018

During the lead-up to the January 2018 Finnish presidential elections, I collected a dataset consisting of raw Tweets gathered from search words related to the election. I then performed a series of natural language processing experiments on this raw...

How To Get Tweets From A Twitter Account Using Python And Tweepy

In this blog post, I’ll explain how to obtain data from a specified Twitter account using tweepy and Python. Let’s jump straight into the code! As usual, we’ll start off by importing dependencies. I’ll use the datetime and Counter modules...

How To Get Streaming Data From Twitter

I occasionally receive requests to share my Twitter analysis tools. After a few recent requests, it finally occurred to me that it would make sense to create a series of articles that describe how to use Python and the...

Further Analysis Of The Finnish Themed Twitter Botnet

In a blog post I published yesterday, I detailed the methodology I have been using to discover “Finnish themed” Twitter accounts that are most likely being programmatically created. In my previous post, I called them “bots”, but for the...

Someone Is Building A Finnish-Themed Twitter Botnet

Finland will hold a presidential election on the 28th January 2018. Campaigning just started, and candidates are being regularly interviewed by the press and on the TV. In a recent interview, one of the presidential candidates, Pekka Haavisto, mentioned...

Some Notes On Meltdown And Spectre

The recently disclosed Meltdown and Spectre vulnerabilities can be viewed as privilege escalation attacks that allow an attacker to read data from memory locations that aren’t meant to be accessible. Neither of these vulnerabilities allow for code execution. However,...

Don’t Let An Auto-Elevating Bot Spoil Your Christmas

Ho ho ho! Christmas is coming, and for many people it’s time to do some online shopping. Authors of banking Trojans are well aware of this yearly phenomenon, so it shouldn’t come as a surprise that some of them have...

Necurs’ Business Is Booming In A New Partnership With Scarab Ransomware

Necurs’ spam botnet business is doing well as it is seemingly acquiring new customers. The Necurs botnet is the biggest deliverer of spam with 5 to 6 million infected hosts online monthly, and is responsible for the biggest single...

Why the Best Defense Is a Good Offensive Security Strategy

When many people think about offensive security, they picture a mysterious figure wearing a hoodie, sitting behind a black-and-green terminal, diligently typing away as he probes enterprise networks. But the cybersecurity world has evolved well beyond this Hollywood hacker...

Google hit with $5.1b fine in EU’s Android antitrust case

This could mean the end of free Android. In the meantime, Google plans to appeal.

Privacy Advocates Say Kelsey Smith Act Gives Police Too Much Power

This bill making its way through Congress would allow law enforcement to more easily uncover location data for cell phones from mobile carriers in an emergency.

IDG Contributor Network: Hack like a CISO

I have written several times over the last couple of years about how the role of today’s CISOs have changed and are now more tuned to support business activities and the management of enterprise risk. Serving an organization as...

Cisco patches critical vulnerabilities in Policy Suite

One of the worst security flaws permits attackers to act as root and execute arbitrary code.