The National Cyber Security Centre SK-CERT warns against a large-scale fraudulent campaign conducted through phone calls. The principle of this campaign is to extract different data from the victim, including personal and access data, through phone calls (so-called phishing/vishing). A phone call from an attacker (regardless of where the phone call really comes from) appears…
The United States went through a big data robbery. The data of almost every American appeared on the hacking forum. Millions of users of a certain Indian online store have a similar problem. Hackers have also targeted Washington police officers, and there is a risk that the local police will have major problems in the…
URGENT: Warning against fraud abusing the identity of tercio.sk The National Cyber Security Centre SK-CERT (hereinafter referred to as SK-CERT) warns against fraudulent e-mails designed to give the impression that their sender is the operator of the Internet store tercio.sk. The e-mail promises a refund. Based on SK-CERT activities and in cooperation with partners, it…
The United States’ National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) jointly issued a common Cybersecurity Advisory directly attributing the exploitation of multiple vulnerabilities for conducting attacks against US targets and allied networks to the Russian Foreign Intelligence Service (SVR). In the report, the agencies stated that…
Updated on 21 April 2021 – extended IOC List To the warning of 16.04.2021, the National Cyber Security Centre SK-CERT (hereinafter referred to as SK-CERT) publishes the following additional information and technical identifiers: SK-CERT observed in a short time sequence ransomware infections in a number of organisations in IT sectors of public administration, telecommunications, energy…
The National Cyber Security Centre SK-CERT has recorded an increased incidence of significant and successful ransomware attacks in Slovakia. Recently, similar activities have intensified in the Central Europe. The National Security Authority (hereinafter referred to as NSA) warns companies and institutions to secure and make a backup of their systems without delay. If they neglect…
The National Cyber Security Centre SK-CERT (hereinafter referred to as SK-CERT) warns against nine vulnerabilities in DNS implementations that allow attackers to render the service unavailable (DoS) and to execute any code. Vulnerabilities reported as NAME:WRECK, can be found: in popular open-source operating system FreeBSD, which is used, for example, for high-performance servers in millions…
It seems that the second week in April has been the worst week for social media platforms in terms of data leaks. It looks like now, just a few days after a billion LinkedIn and Facebook profiles leaked, it is the upstart platform Clubhouse’s turn. 1.3 million user records leaked from this platform. The leaked…
Trust but verify On the Internet, paranoia in healthy moderation is required. Either it is a webpage, a message on a social media platform or an e-mail, always keep in mind that you do not know who can sit on the other side, especially for an “offer you can’t refuse”. Password manager Although the word…
The Internet is a place of unlimited possibilities. People are spending more and more time behind a computer or mobile phone, what is not necessarily linked to the fact that most of the activities, both work and private, have moved to online space during the COVID-19 pandemic. Today, the Internet is one of the most…
