Twitter hack: thousands of accounts hijacked
Many Twitter users in Europe woke up to some unexpected Tweets: many Twitter accounts suddenly posted messages which attacked the Dutch and German governments. Unknown attackers were able to gain access to the millions of accounts through an app which provides statistics.
Bochum Ransomware Maktub: Fake Invoices used as bait
A current spam wave floods email inboxes: Fake invoices with genuine user data (names and even postal addresses) are used as bait. The attackers furthermore misuse existing companies' names and data to complete the sophisticated scam. Victims will be infected with the Maktub Ransomware, currently…
Ransomware "Golden Eye" targeting German businesses
A new ransomware is currently targeting German companies. This latest malware from the James Bond-themed Janus Cybercrime Collective combines two existing ransomwares (Petya and Misha) and leaves infected systems completely unusable: GoldenEye first encrypts files and then the hard drive. Read more…
Attacks on large companies: all day, every day
According to media reports, the ThyssenKrupp industrial group has been targetted by cyber criminals. The company is said to have fallen victim to a cleverly designed hacker attack as early as February this year. The company's own CERT (Cyber Emergency Response Team) has uncovered the attack in…
Firefox 0-Day targeting Tor-Users
Yesterday a Firefox 0-Day was made publicly available. We have analyzed the exploit from begin to end and talk about the different stages, including: the exploit techniques that aim to defeat general protection mechanisms like ASLR and DEP, as well as more advanced protection mechanisms like Export…
Bochum CEO Fraud: using allegedly secret transactions as bait
Scammers' profits, based on CEO fraud, are rising worldwide. The losses for companies of all kinds and sizes go into the millions! This holiday season is expected to see a peak in attempted new attacks. Even G DATA was recently hit by such an attack, but its employees reacted attentively and…
Bochum Buying presents for Christmas online? Without doubt!
Holiday season is about to start and online shopping for Christmas is trending! Our experts forewarn you about current phishing and malware threats in our German G DATA SecurityBlog.
World of Warcraft: one simple line of code can cost you dearly
A few days ago, a new type of gold/item scam made the rounds. Usually scamming in MMORPGs is done using social engineering techniques, e.g. an attacker sells a fake item code for alleged in-game items like mounts to a potential victim for in-game currency. But this most recent kind of attack does…
Sunglasses Spam: 85% Discount? That has to be 100% fake!
The experts at G DATA SecurityLabs deal with cyber criminals on a daily basis but there are always seasonal particularities. Especially now in spring, the questionable offers of popular sunglasses entering the market are springing up again via spam mails, social media platforms and even short…
Invoices that might double in size
Since G DATA SecurityLabs have just reported about the risks posed by Dridex, there have been new alerts. In the latest campaigns, attackers are trying to take files from computers as "hostages". They do so by distributing ZIP archives with malicious content via email. If the user opens the files,…
Karsten Hahn
Virus Analyst
Tim Berghoff
Security Evangelist
