1048 matches found
Frogblight threatens you with a court case: a new Android banker targets Turkish users
In August 2025, we discovered a campaign targeting individuals in Turkey with a new Android banking Trojan we dubbed "Frogblight". Initially, the malware was disguised as an app for accessing court case files via an official government webpage. Later, more universal disguises appeared, such as th...
ToolShell: a story of five vulnerabilities in Microsoft SharePoint
On July 19–20, 2025, various security companies and national CERTs published alerts about active exploitation of on-premise SharePoint servers. According to the reports, observed attacks did not require authentication, allowed attackers to gain full control over the infected servers, and were...
IT threat evolution in Q1 2025. Non-mobile statistics
IT threat evolution in Q1 2025. Non-mobile statistics IT threat evolution in Q1 2025. Mobile statistics The statistics in this report are based on detection verdicts returned by Kaspersky products unless otherwise stated. The information was provided by Kaspersky users who consented to sharing...
Threat landscape for industrial automation systems in Q3 2024
Statistics across all threats In the third quarter of 2024, the percentage of ICS computers on which malicious objects were blocked decreased by 1.5 pp to 22% when compared to the previous quarter. Percentage of ICS computers on which malicious objects were blocked, by quarter, 2022–2024 Compared...
How much security is enough?
According to a prominent Soviet science fiction writer, beauty is a fine line, a razors edge between two opposites locked in a never-ending battle. Today, we would put it less poetically as an ideal compromise between contradictions. An elegant, or beautiful, design is one that allows reaching th...
Crimeware and financial cyberthreats in 2023
A look back on the year 2022 and what to expect in 2023 Every year, as part of the Kaspersky Security Bulletin, we predict which major trends will be followed in the coming year by attackers, who target financial organizations. The predictions, based on our extensive experience, help individuals...
Uncommon infection and malware propagation methods
Introduction We are often asked how targets are infected with malware. Our answer is nearly always the same: spear phishing. There will be exceptions, naturally, as we will encounter RCE vulnerabilities every now and then, or if the attacker is already on the network, they will use tools like...
NullMixer: oodles of Trojans in a single dropper
Executive Summary NullMixer is a dropper leading to an infection chain of a wide variety of malware families. NullMixer spreads via malicious websites that can be found mainly via search engines. These websites are often related to crack, keygen and activators for downloading software illegally,...
Threat landscape for industrial automation systems for H1 2022
H1 2022 in numbers Geography In H1 2022, malicious objects were blocked at least once on 31.8% of ICS computers globally. Percentage of ICS computers on which malicious objects were blocked For the first time in five years of observations, the lowest percentage in the first half of the year was...
HTML attachments in phishing e-mails
The use of embedded HTML documents in phishing e-mails is a standard technique employed by cybercriminals. It does away with the need to put links in the e-mail body, which antispam engines and e-mail antiviruses usually detect with ease. HTML offers more possibilities than e-mail for camouflagin...
Choosing Christmas gifts for kids: Squid Game and Huggy Wuggy are trending
As the holidays approach, many of us are trying to figure out what to buy our family and friends. We especially want to make this time of year festive for kids. If you want to delight children, you need to know what theyre interested in: what LEGO set theyre dreaming about, what superheroes theyd...
How we took part in MLSEC and (almost) won
This summer Kaspersky experts took part in the Machine Learning Security Evasion Competition MLSEC — a series of trials testing contestants ability to create and attack machine learning models. The event is comprised of two main challenges — one for attackers, and the other for defenders. The...
Oh, what a boot-iful mornin’
In mid-April, our threat monitoring systems detected malicious files being distributed under the name "on the new initiative of the World Bank in connection with the coronavirus pandemic" in Russian with the extension EXE or RAR. Inside the files was the well-known Rovnix bootkit. There is nothin...
Ztorg: from rooting to SMS
I've been monitoring Google Play Store for new Ztorg Trojans since September 2016, and have so far found several dozen new malicious apps. All of them were rooting malware that used exploits to gain root rights on the infected device. Then, in the second half of May 2017 I found one that wasn't...
Dvmap: the first Android malware with code injection
In April 2017 we started observing new rooting malware being distributed through the Google Play Store. Unlike other rooting malware, this Trojan not only installs its modules into the system, it also injects malicious code into the system runtime libraries. Kaspersky Lab products detect it as...
Cloud Atlas activity in the second half of 2025 and early 2026: new tools and a new payload
In 2025, we observed pervasive SSH tunnel activity, which has remained active into 2026, affecting many government organizations and commercial companies in Russia and Belarus. Behind some of this activity is Cloud Atlas, a group we have known since 2014. During our investigation, we identified n...
Assessing SIEM effectiveness
A SIEM is a complex system offering broad and flexible threat detection capabilities. Due to its complexity, its effectiveness heavily depends on how it is configured and what data sources are connected to it. A one-time SIEM setup during implementation is not enough: both the organization's...
Analysis of the latest Mirai wave exploiting TBK DVR devices with CVE-2024-3721
The abuse of known security flaws to deploy bots on vulnerable systems is a widely recognized problem. Many automated bots constantly search the web for known vulnerabilities in servers and devices connected to the internet, especially those running popular services. These bots often carry Remote...
Angry Likho: Old beasts in a new forest
Angry Likho referred to as Sticky Werewolf by some vendors is an APT group we've been monitoring since 2023. It bears a strong resemblance to Awaken Likho, which we've analyzed before, so we classified it within the Likho malicious activity cluster. However, Angry Likho's attacks tend to be...
Horns&Hooves campaign delivers NetSupport RAT and BurnsRAT
Recent months have seen a surge in mailings with lookalike email attachments in the form of a ZIP archive containing JScript scripts. The script files – disguised as requests and bids from potential customers or partners – bear names such as "Запрос цены и предложения от Индивидуального...
Indirect prompt injection in the real world: how people manipulate neural networks
What is prompt injection? Large language models LLMs – the neural network algorithms that underpin ChatGPT and other popular chatbots – are becoming ever more powerful and inexpensive. For this reason, third-party applications that make use of them are also mushrooming, from systems for document...
Threat landscape for industrial automation systems for H2 2022
Year 2022 in numbers Parameter | H1 2022 | H2 2022 | 2022 ---|---|---|--- Percentage of attacked ICS computers globally | 31.8% | 34.3% | 40.6% Main threat sources Internet | 16.5% | 19.9% | 24.0% Email clients | 7.0% | 6.4% | 7.9% Removable devices | 3.5% | 3.8% | 5.2% Network folders | 0.6% |...
ICS cyberthreats in 2023 – what to expect
Cybersecurity incidents were plentiful in 2022, causing many problems for industrial infrastructure owners and operators. However, luckily, we did not see any sudden or catastrophic changes in the overall threat landscape – none that were difficult to handle, despite many colorful headlines in th...
Cybersecurity threats: what awaits us in 2023?
Knowing what the future holds can help with being prepared for emerging threats better. Every year, Kaspersky experts prepare forecasts for different industries, helping them to build a strong defense against any cybersecurity threats they might face in the foreseeable future. Those predictions...
How and why do we attack our own Anti-Spam?
We often use machine-learning ML technologies to improve the quality of cybersecurity systems. But machine-learning models can be susceptible to attacks that aim to "fool" them into delivering erroneous results. This can lead to significant damage to both our company and our clients. Therefore, i...
Kaspersky Security Bulletin: Story of the year 2017
Download the Kaspersky Security Bulletin: Story of the year 2017 Introduction: what we learned in 2017 In 2017, the ransomware threat suddenly and spectacularly evolved. Three unprecedented outbreaks transformed the landscape for ransomware, probably forever. The attacks targeted businesses and...
Threat Landscape for Industrial Automation Systems in H1 2017
Kaspersky Lab Industrial Control Systems Cyber Emergency Response Team Kaspersky Lab ICS CERT publishes the results of its research on the threat landscape for industrial automation systems for the first six months of 2017. All statistical data used in this report was collected using the Kaspersk...
Schroedinger’s Pet(ya)
UPDATE June 28th, 2017: After an analysis of the encryption routine of the malware used in the Petya/ExPetr attacks, we have thought that the threat actor cannot decrypt victims' disk, even if a payment was made. It appears this malware campaign was designed as a wiper pretending to be ransomware...
Toy Ghouls’ new toy: the GenieLocker ransomware
Introduction The new GenieLocker ransomware family has been active since March 2026. It has been used in attacks against organizations in the Russian Federation, primarily in the manufacturing sector, and attributed to the Toy Ghouls group by open-source intelligence link in Russian. The Toy...
StrikeShark: investigating a new campaign delivering Cobalt Strike through SharkLoader
Introduction During our research of activity affecting a diplomatic organization in Indonesia, we uncovered a previously undocumented malware family that we have named SharkLoader. What initially appeared to be an isolated case quickly expanded into a broader campaign as we identified additional...
From cheats to exploits: Webrat spreading via GitHub
In early 2025, security researchers uncovered a new malware family named Webrat. Initially, the Trojan targeted regular users by disguising itself as cheats for popular games like Rust, Counter-Strike, and Roblox, or as cracked software. In September, the attackers decided to widen their net:...
Cloud Atlas activity in the first half of 2025: what changed
Known since 2014, the Cloud Atlas group targets countries in Eastern Europe and Central Asia. Infections occur via phishing emails containing a malicious document that exploits an old vulnerability in the Microsoft Office Equation Editor process CVE-2018-0802 to download and execute malicious cod...
Host-based logs, container-based threats: How to tell where an attack began
The risks associated with containerized environments Although containers provide an isolated runtime environment for applications, this isolation is often overestimated. While containers encapsulate dependencies and ensure consistency, the fact that they share the host system's kernel introduces...
Streamlining detection engineering in security operation centers
Security operations centers SOCs exist to protect organizations from cyberthreats by detecting and responding to attacks in real time. They play a crucial role in preventing security breaches by detecting adversary activity at every stage of an attack, working to minimize damage and enabling an...
Trojans disguised as AI: Cybercriminals exploit DeepSeek’s popularity
Introduction Among the most significant events in the AI world in early 2025 was the release of DeepSeek-R1 – a powerful reasoning large language model LLM with open weights. It's available both for local use and as a free service. Since DeepSeek was the first service to offer access to a reasoni...
Web tracking report: who monitored users’ online activities in 2023–2024 the most
Web tracking has become a pervasive aspect of our online experience. Whether we're browsing social media, playing video games, shopping for products, or simply reading news articles, trackers are silently monitoring our online behavior, fueling the ceaseless hum of countless data centers worldwid...
EastWind campaign: new CloudSorcerer attacks on government organizations in Russia
In late July 2024, we detected a series of ongoing targeted cyberattacks on dozens of computers at Russian government organizations and IT companies. The threat actors infected devices using phishing emails with malicious shortcut attachments. These shortcuts were used to deliver malware that...
Black Friday shoppers beware: online threats so far in 2022
The shopping event of the year, Black Friday, is almost here, and while the big day does not officially arrive until Friday, November 25th, deals are already starting. The day kickstarts the frenzied holiday shopping season with eye-catching promotional deals that lure shoppers into spending more...
Black Hat USA 2022 and DEF CON 30
Black Hat 2022 USA Briefings wrapped up this past week, along with its sister conference DEF CON 30. The DEF CON theme was a "Hacker Homecoming", and it really was a fun one. Coming back from the COVID hiatus, the conferences were enthusiastically full compared to the 2021 ghost town. Many of the...
Webinar on cyberattacks in Ukraine – summary and Q&A
About the webinar On March 10, 2022 Kasperskys Global Research and Analysis Team GReAT shared their insights into the current and past cyberattacks in Ukraine. In this post we address the questions that we did not have the time to answer and provide the Indicators of Compromise IoCs that can help...
SAS 2021: Learning to ChaCha with APT41
Straight from the sunny UK to the stage of SAS-at-Home 2021, John Southworth PwC will be giving some insights about the threat actor APT41, also known as Red Kelpie and Winnti. Starting with APT10 Red Apollo, the presentation will dance you through the malware used by APT41 – the Motnug loader an...
FIFA public Wi-Fi guide: which host cities have the most secure networks?
We all know how easy it is for users to connect to open Wi-Fi networks in public places. Well, it is equally straightforward for criminals to position themselves near poorly protected access points – where they can intercept network traffic and compromise user data. A lack of essential traffic...
Still Stealing
Two years ago in October 2015 we published a blogpost about a popular malware that was being distributed from the Google Play Store. Over the next two years we detected several similar apps on Google Play, but in October and November 2017 we found 85 new malicious apps on Google Play that are...
An analysis of incidents at Brazilian educational institutions
Introduction Because of the amount of data that can be obtained and the high impact that successful attacks may have, educational institutions are frequent targets of cybercriminals. Both public and private schools and universities rely on software for managing personally identifiable information...
IT threat evolution in Q1 2026. Non-mobile statistics
IT threat evolution in Q1 2026. Non-mobile statistics IT threat evolution in Q1 2026. Mobile statistics The statistics in this report are based on detection verdicts returned by Kaspersky products unless otherwise stated. The information was provided by Kaspersky users who consented to sharing...
CVE-2025-68670: discovering an RCE vulnerability in xrdp
In addition to KasperskyOS-powered solutions, Kaspersky offers various utility software to streamline business operations. For instance, users of Kaspersky Thin Client, an operating system for thin clients, can also purchase Kaspersky USB Redirector, a module that expands the capabilities of the...
Silver Fox uses the new ABCDoor backdoor to target organizations in Russia and India
In December 2025, we detected a wave of malicious emails designed to look like official correspondence from the Indian tax service. A few weeks later, in January 2026, a similar campaign began targeting Russian organizations. We have attributed this activity to the Silver Fox threat group. Both...
BeatBanker: A dual‑mode Android Trojan
Recently, we uncovered BeatBanker, an Android‑based malware campaign targeting Brazil. It spreads primarily through phishing attacks via a website disguised as the Google Play Store. To achieve their goals, the malicious APKs carry multiple components, including a cryptocurrency miner and a banki...
Evasive Panda APT poisons DNS requests to deliver MgBot
Introduction The Evasive Panda APT group also known as Bronze Highland, Daggerfly, and StormBamboo has been active since 2012, targeting multiple industries with sophisticated, evolving tactics. Our latest research June 2025 reveals that the attackers conducted highly-targeted campaigns, which...
It didn’t take long: CVE-2025-55182 is now under active exploitation
On December 4, 2025, researchers published details on the critical vulnerability CVE-2025-55182, which received a CVSS score of 10.0. It has been unofficially dubbed React2Shell, as it affects React Server Components RSC functionality used in web applications built with the React library. RSC...