Latest cybersecurity reporting from selected sources.

The FBI claims Russian spies are targeting Signal backup keys

FBI warns Russian spies now target Signal Backup Recovery Keys, enabling access to message history and long-term account takeover. The FBI and CISA updated their March 2026 warning about Russian intelligence phishing campaigns, and the new advisory adds a detail that wasn’t in the original: the operators have shifted their primary objective from stealing verification […]

The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup Recovery Keys, allowing attackers to access victims' historical messages. [...]

The FBI and CISA have updated their March warning about Russian intelligence phishing Signal accounts, and the operators have added a step: they now coax targets into handing over their Signal Backup Recovery Key

In a coordinated effort, the FBI, working with Google and Black Lotus Labs, has dismantled a massive Chinese phishing-as-a-service operation called Outsider Enterprise with thousands of phishing websites used to steal credit card data and passwords. [...]

Outsider provided phishing kits and infrastructure for cybercriminals to scam victims with lures claiming they missed packages, had unpaid tolls or parking violations. The post FBI takes down massive China-based cybercrime network that caused $1.9B in losses appeared first on CyberScoop.

Once targeting just Microsoft 365, the phishing-as-a-service platform now aims at AWS, Okta, and Russian platforms, while relying on device code phishing.

The FBI is warning about the Kali365 phishing-as-a-service platform (PhaaS) that is used to hijack Microsoft 365 accounts by abusing OAuth device code authentication to steal session tokens and bypass multi-factor authentication (MFA). [...]

The Kali365 phishing-as-a-service platform lowers the barrier of entry for cybercriminals, said the FBI

Kali365, which was first observed in April, abuses legitimate Microsoft device authorization pages to grant persistent access to cybercriminal-controlled applications. The post FBI warns about fast-growing phishing kit targeting Microsoft 365 users appeared first on CyberScoop.

The FBI Atlanta Field Office and Indonesian authorities have dismantled the "W3LL" global phishing platform, seizing infrastructure and arresting the alleged developer in what is described as the first coordinated enforcement action between the United States and Indonesia targeting a phishing kit developer. [...]

The U.S. Federal Bureau of Investigation (FBI), in partnership with the Indonesian National Police, has dismantled the infrastructure associated with a global phishing operation that leveraged an off-the-shelf toolkit called W3LL to steal thousands of victims' account credentials and attempt more than $20 million in fraud

The W3LL phishing kit has been associated with fraud attempts totaling $20m

PLUS: US takes down Iranian propaganda sites; Marketing company asks 'Why Do We Have Your Information?' And more! Infosec In Brief Russian intelligence-affiliated parties are posing as customer support services on commercial messaging applications such as Signal to compromise accounts and conduct phishing attacks, the FBI and Cybersecurity and Infrastructure Security Agency (CISA) warned last Friday.…

Threat actors affiliated with Russian Intelligence Services are conducting phishing campaigns to compromise commercial messaging applications (CMAs) like WhatsApp and Signal to seize control of accounts belonging to individuals with high intelligence value, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) said Friday

The FBI has issued a public service announcement warning that Russian intelligence-linked threat actors are actively targeting users of encrypted messaging apps such as Signal and WhatsApp in phishing campaigns that have already compromised thousands of accounts. [...]

The Federal Bureau of Investigation (FBI) warns that criminals are impersonating U.S. officials in phishing attacks targeting businesses and individuals who request city and county planning and zoning permits. [...]

Also: NodeCordRAT Malware, North Korean QR-Phishing CampaignThis week, U.K. crypto exchanges linked to Iranian sanctions evasion, NodeCordRAT malware spread via npm, an FBI alert on North Korean QR-code phishing, illicit crypto hit $154 billion in 2025 and U.S. President Donald Trump said he won't pardon Sam Bankman-Fried.

A state-sponsored threat group tracked as "Kimsuky" sent QR-code-filled phishing emails to US and foreign government agencies, NGOs, and academic institutions.

State-backed attackers are using QR codes to slip past enterprise security and help themselves to cloud logins, the FBI says North Korean government hackers are turning QR codes into credential-stealing weapons, the FBI has warned, as Pyongyang's spies find new ways to duck enterprise security and help themselves to cloud logins.…