Silent Ransom Group, a long-running data extortion operation, continues to hit U.S.-based law firms by impersonating IT support and, in some cases, visiting victims in person to gain physical access to computers, the FBI said in an alert Tuesday.

The closed group, which likely operates from Russia and emerged in 2022 after Conti disbanded, has claimed responsibility for more than 100 attacks with activity surging during the past few months, according to researchers.

The FBI’s warning comes exactly one year after the agency released a previous alert about Silent Ransom Group consistently targeting law firms since mid-2023. The group doesn’t deploy encryption, but its dual use of social engineering and in-person visits for data theft is extremely rare with no known parallels across the vast cybercrime ecosystem, multiple experts told CyberScoop.

“There were probably a lot of times that this failed before it started succeeding because there’s a lot of trial-and-error involved,” said Allan Liska, field chief information security officer at Recorded Future. Whereas other ransomware groups would rather move on to other tactics or targets, “Silent Ransom Group has seen the value especially in going after law firms, and so they’re willing to put the extra effort into it,” he added. 

The data extortion group, which is also tracked as Chatty Spider, UNC3753 and Storm-0252, isn’t as prolific as more high-tempo ransomware groups. Yet, it’s having a noticeable impact due to its proven knack for attacking organizations in the legal sector.

Halcyon tracked 134 ransomware incidents against law firms and legal services during the first quarter of this year, making it the fourth-most targeted industry accounting for more than 6% of all ransomware attacks the company tracked during the period. 

Silent Ransom Group and Inc, a ransomware-as-a-service operation dating back to mid-2023, are largely responsible for that uptick, said Cynthia Kaiser, senior vice president at Halycon’s Ransomware Research Center.

“Silent was the first group to really just be targeting law firms, and they’ve targeted major law firms” with a clear understanding of what’s most problematic for organizations in that segment, she added. “The theft of data in and of itself is the biggest issue for the law firms, so they’re tailoring a lot of their operations around what they know about the sector.”

Law firms are a rich target because data theft creates huge privilege and reputational problems, which creates the perception they might be more willing to pay high extortion demands, Kaiser said.

Silent Ransom Group’s social engineering scheme involves phone calls or phishing emails that urge employees to call one of the group’s associates posing as IT support, the FBI said. If the group’s attempt to gain access to the employee’s computer via remote access tools fails, it sends an associate to the victim’s location to physically attach a storage device to the victim’s workstation. 

This extra step is unique and places Silent Ransom Group in a completely different mode of operation than its peers in ransomware and data theft extortion. Some aggressive data theft extortion groups have harassed and threatened executives and employees with physical violence, but in-person visits for data theft are extraordinary.

“While Flashpoint has observed threat actors soliciting or co-opting both witting and unwitting insiders, we have not observed them physically sending attackers to victim locations. This tactic carries significant risk, as threat actors are able to use technology to obscure their real-world identities,” said Ian Gray, vice president of cyber threat intelligence operations at Flashpoint. 

Joe Slowik, director of cybersecurity alerting strategy at Dataminr, said it’s easy to question why potential victims would fall for this tactic. “However, humans in the workplace need to implicitly trust others to get their jobs done,” he said. 

“Questioning everything, while seemingly desirable, introduces significant friction and distrust in workplace environments and limits productivity in arbitrary ways,” Slowik added. “Criminal entities will continue to prey on human weaknesses and dependencies for success, and placing the burden solely on employees to defend against this is unfair and unreasonable.”

The FBI did not provide details about the people Silent Ransom Group uses to initiate the fake IT support calls or visit victims in person. Yet, with the group’s operators based in Russia, researchers speculate gig workers or subcontractors are playing a critical role by placing voice-based phishing calls in a common language and visiting victims at their workplace. 

Liska said he’s under the impression the group is using freelance taskers that don’t necessarily know they are committing a crime. “They may be suspicious, but you know, they need the money,” he said. 

“It’s kind of like a Doordash person that delivers Arby’s,” Liska said. “You know you’re doing really bad things to people, but you know what, they’re paying you to deliver.”

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A pair of persistent and problematic threat groups affiliated with The Com are actively targeting organizations across multiple critical infrastructure sectors for rapid data theft and extortion attacks, according to CrowdStrike.

The financially-motivated attackers, which CrowdStrike tracks as Cordial Spider and Snarky Spider, have used voice-phishing and social engineering attacks to break into victims’ identity platforms and traverse SaaS environments since at least October 2025, the company said in a report Thursday, which it shared exclusively with CyberScoop prior to release. 

Adam Meyers, senior vice president of counter adversary operations at CrowdStrike, said the subgroups composed of native English speakers primarily target U.S.-based organizations in the academic, aviation, retail, hospitality, automotive, financial services, legal and technology sectors.

This “new wave of ecrime threat actors” are closely aligned with Scattered Spider and linked to other subsets of The Com, including SLSH and ShinyHunters, Meyers said. 

Because these attacks target identity systems and can expose data in other connected services beyond the initial breach point, it’s difficult to determine how many victims have been caught up in these campaigns. 

CrowdStrike’s warning closely follows research Palo Alto Networks’ Unit 42 and the Retail & Hospitality Information Sharing and Analysis Center shared last week about Cordial Spider’s string of attacks targeting organizations in the retail and hospitality industry, among others. 

Cordial and Snarky Spider have set lures via voice calls, text messages and emails directing targeting employees to phishing pages posing as their employer’s legitimate single sign-on page or primary identity provider, researchers said. 

These phishing pages, which capture credentials, session keys or tokens, depending on the workflow, provide attackers an entry point into systems, which they exploit for widespread access across victims’ entire SaaS ecosystems.

Attackers use these initial hooks to remove and establish multi-factor authentication devices, then delete emails and other alerts that would otherwise warn organizations of potential malicious activity, researchers said. 

The data theft for extortion campaigns share striking similarities, but CrowdStrike said the tactics, techniques and procedures for each subgroup are distinct. These variances include hours of operation, different phishing domain providers, preferred operating systems, data leak sites, and the tools or devices they used to register for multi-factor authentication. 

The domain for BlackFile, Cordial Spider’s data-leak site, was offline as of Wednesday, according to Meyers.

CrowdStrike declined to put a range on the groups’ extortion demands, but Unit 42 previously said Cordial Spider, which is also tracked as CL-CRI-1116 and UNC6671, are typically in the seven-figure range.

Some victims that didn’t pay extortion demands have been subjected to DDoS attacks, and Snarky Spider has used more aggressive follow-on harassment tactics, including the swatting of victim organizations’ employees, Meyers said. 

CrowdStrike said Cordial and Snarky Spider also use residential proxy networks — including Mullvad, Oxylabs, NetNut, 9Proxy, Infatica and NSOCKS — to evade IP-based detection and blend in with typical traffic. 

Residential proxy networks, which rely on IP addresses assigned to real home users, can serve a legitimate purpose, but researchers have been warning that unethical or outright criminal operators are abusing these networks to build and support botnets, cybercrime campaigns, espionage and other malicious activity.

Cordial and Snarky Spider haven’t achieved the impact or technical capability of Scattered Spider, but the groups share many commonalities and objectives, Meyers said. 

“They’ve kind of taken their playbook and they’re using a lot of their techniques, but we haven’t really seen the technical sophistication demonstrated by them that we saw from Scattered Spider,” he said. “It’s kind of the new generation of Scattered Spider.”

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Researchers warn that BlackFile, an extortion group likely associated with The Com, continues to impersonate IT support in voice-phishing and social engineering attacks that have impacted organizations in multiple industries, including healthcare, technology, transportation, logistics, wholesale and retail.

Attackers have been actively targeting organizations in the retail and hospitality industry since February, according to Unit 42’s latest intelligence on the campaign, which the Retail & Hospitality Information Sharing and Analysis Center (RH-ISAC) released alongside indicators of compromise Thursday.

The threat group, which is also tracked as CL-CRI-1116, UNC6671 and Cordial Spider, appears to be targeting victims opportunistically in a campaign that remains active and ongoing, Matt Brady, senior principal researcher at Palo Alto Networks’ Unit 42, told CyberScoop. 

“The core objective of these threat actors is to pressure targeted organizations into paying large ransom demands, typically in the seven-figure range,” Brady said.

Unit 42 declined to say how many organizations have been impacted thus far, and RH-ISAC did not respond to a request for comment.

BlackFile’s attacks against companies in the retail and hospitality sector are part of a broader wave of voice-phishing attacks initiated by multiple cybercrime groups, which Google Threat Intelligence Group and Okta warned about in January. 

Unit 42 also noted that BlackFile’s activities overlap with an ongoing data theft and extortion campaign CrowdStrike has been tracking as Cordial Spider since at least October 2025.

Yet, the threat group’s tactics have been far from cordial. RH-ISAC said some attackers have swatted company personnel, including executives, to increase leverage and pressure victims to pay their ransom demands. 

The threat group lures victims via voice-phishing attacks and phishing pages mimicking corporate single-sign on services to steal credentials before moving into privileged accounts. 

“They scrape internal employee directories to obtain contact lists for executives,” RH-ISAC wrote in a blog post. “By compromising these senior accounts via further social engineering, they gain persistent, broad-spectrum access to the environment that mirrors legitimate executive session activity.”

The group’s unauthorized access and data theft for extortion activity spans SaaS environments, Microsoft Graph API permissions, Salesforce API access, internal repositories, SharePoint sites and datasets containing employee’s phone numbers and business records. 

BlackFile also created a data-leak site to extort victims that it claims ignored or failed to agree to its demands, according to researchers. 

Brady said Unit 42 has observed relatively consistent activity from the threat group since February. 

RH-ISAC advises organizations to manage multi-factor identity verification for callers and limit the IT support actions that can be completed in a single call without escalation to management.

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A 27-year-old North Carolina man was found guilty of six counts of extortion for a series of crimes he committed while working as a data analyst contractor for a D.C.-based international technology company, the Justice Department said Thursday.

Cameron Nicholas Curry, also known as “Loot,” stole a trove of corporate data, including sensitive employee and compensation information, which he used to extort his employer, according to court records. Curry ultimately made off with approximately $2.5 million from the victim organization in January 2024.

The insider attack underscores immeasurable risks companies accept when employees, or contractors placed in roles by a third-party recruitment company, as was the case with Curry, are allowed to access sensitive data on a company-owned laptop. Officials did not name the company.

Curry used his access to the company’s network to remove corporate data for extortion while he worked for the company between August and December 2023. Immediately following his last day of employment with the company, Curry started sending threatening emails to its employees and demanded a ransom to not leak and destroy the data.

Officials said he sent more than 60 emails to various employees and executives over a six-week period, threatening to disclose the company’s payroll data, claiming it showed significant pay inequity across the workforce. In those emails, Curry framed the data theft extortion attack as an effort to implement salary transparency.

“Loot and our partners aim to ensure that everyone is being paid accordingly, providing employees with the leverage they deserve while also adhering to federal government regulations on protected acts,” Curry wrote in one of the emails, according to the indictment.

Curry included attachments with the emails containing screenshot images of spreadsheets listing the personally identifiable information of company employees. Officials said he also warned the company he would provide employees instructions on how to address pay discrimination through mediation, the Equal Employment Opportunity Commission or a class-action lawsuit.

Some of the extortion emails got personal, including a claim that one person on the legal team wasn’t getting a bonus while most employees in high-level positions did receive bonuses. Curry also threatened to report the breach to the Securities and Exchange Commission, citing rules that require public companies to disclose cyberattacks quickly. 

The publicly traded company notified the FBI of the breach on Dec. 14, 2023 and paid Curry’s ransom demand almost a month later.

Multiple operational security mistakes helped authorities identify and build a case against Curry rather quickly. He used personal and verifiable data to establish a new Coinbase account, and two of the debit cards linked to the account Curry established to receive a ransom belonged to his mother and sister.

Authorities searched Curry’s apartment, digital devices and vehicle in Charlotte, North Carolina, just weeks after the ransom was paid. He was arrested and released on bond in late January 2024. 

Officials said Curry initiated his extortion scheme after he learned his contract with the company wouldn’t be renewed. He faces up to 12 years in prison at sentencing.

You can read the full indictment below.

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Ransomware remains a scourge that shows some signs of relenting, but incident responders and threat hunters are busier than ever as more financially-motivated attackers lean exclusively on data theft for extortion.

Attacks that only involve data theft for extortion may not be more prevalent than traditional ransomware when attackers encrypt systems, but momentum is moving in that direction, Genevieve Stark, head of cybercrime intelligence at Google Threat Intelligence Group, told CyberScoop.

“When you look at the actors in the English-speaking underground, those actors are almost all just focusing on data-theft extortion right now,” Stark added. This includes groups like Scattered Spider, ShinyHunters, Clop and other groups that have been responsible for some of the largest and farthest-reaching attacks over the past few years.

Google Threat Intelligence Group’s research report on ransomware, which it shared exclusively and discussed with CyberScoop prior to release, underscores how the evolution and spread of cybercrime can cloud a collective understanding of ransomware, or attacks that use malware to encrypt or lock systems. 

Ransomware attacks also often include data theft as an additional pressure point for extortion — occurring in 77% of ransomware intrusions Google observed last year, up from 57% in 2024 — but it’s not technically ransomware unless encryption is involved. 

“Over the past several years we’ve seen a gradual increase in the overall percentage of directly observed financially motivated incidents that involved only data theft extortion incidents, growing from around 2% of incidents in 2020 to more than 15% of incidents in 2025,” said Bavi Sadayappan, senior threat intelligence analyst at GTIG.

“In the same time span, the percentage of incidents involving ransomware deployment has fluctuated. We’ve seen a decrease in ransomware incidents in the past year, with 39% of incidents involving ransomware in 2024 compared to 31% in 2025,” she added.

The company declined to say how many ransomware attacks it responded to in 2025. “We hesitate sharing the number of cases that we work on, in terms of a quantitative number, because it’s so difficult for everybody to agree on what constitutes one incident versus two,” said Chris Linklater, practice leader at Mandiant. “Anecdotally, we’re staying very busy.”

Stark acknowledged that significant challenges prevent the industry from developing a clear, comprehensive picture of ransomware’s true scale and impact. Insight is largely confined to what individual incident response firms see in their own cases, and what information is shared is typically provided case by case rather in a centralized way.

“We’re not doing a great job as an industry in looking at the volume. I think that we’re overly dependent on things like the volume of data-leak sites, which have a lot of problems,” she said.

The increase in data extortion is likely driving an increase in these posts. At the same time, some threat clusters are making non-credible claims or recycling previous breaches and claiming them as their own work. “Data-leak sites as a measure is actually pretty poor, and I think that as an industry we’ve over relied on that,” Stark said.

Yet, the data is still useful for gauging certain trends, such as shifts in targeting or an increase in alleged attacks on specific sectors or regions, researchers said.

For what it’s worth, Google said the amount of posts on data leak sites jumped 48% from the year prior to 7,784 posts in 2025. Meanwhile, the number of unique data leak sites climbed almost 35% over the same period to 128 sites with at least one post.

Google’s report also focuses on the tactics and shifts it observed during its response to ransomware attacks last year, including the most common ways attackers broke into systems, the most prominent ransomware families and increased targeting of virtualization infrastructure.

Exploited vulnerabilities was the top initial access vector in ransomware attacks last year, accounting for a third of all incidents, followed by various forms of web compromise and stolen credentials. Attackers most commonly exploited vulnerabilities in widely used virtual private networks and firewalls from Fortinet, SonicWall, Palo Alto Networks and Citrix, researchers said.

Zach Riddle, principal threat intelligence analyst at GTIG, said this doesn’t reflect a growing trend as much as a recurring cycle of different initial access vectors, which rise and fall year to year for various reasons.

Google specifically called out 13 vulnerabilities, many disclosed years ago, ranking those defects among the top exploited vulnerabilities for ransomware attacks last year. Three of those vulnerabilities affect Fortinet products, followed by two from Microsoft, two from Veritas, and one each from SonicWall, Citrix, SAP, Palo Alto Networks, CrushFTP and Zoho.

Stolen credentials were the initial access point in 21% of ransomware intrusions last year, and attackers often used those credentials to authenticate to a victim’s VPN or Remote Desktop Protocol login, Google said in the report.

Attackers are also confronting more challenges in deploying ransomware once they break into victim networks. “We’re actually seeing a decrease in successful ransomware deployment,” Sadayappan said. Google observed a year-over-year decline from 54% in 2024 to 36% last year.

Another landmark change reflected in ransomware activity in 2025 involves increased targeting of virtualization infrastructure, such as VMware ESXi hypervisors. Attackers targeted these environments in 43% of ransomware intrusions last year, up from 29% in 2024.

“It lets the attacker hit a huge number of systems with a very small amount of effort,” Linklater said, adding that “it makes the investigation significantly harder to accomplish, because a lot more of the forensic evidence is lost when those hypervisors are attacked.”

The most prominent ransomware families in 2025 included Agenda, Redbike, Clop, Playcrypt, Safepay, Inc, RansomHub and Fireflame, according to Google. The most active ransomware brands last year included Qilin, Akira, Clop, Play, Safepay, Inc, Lynx, RansomHub, DragonForce and Sinobi.

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