Love, lies and espionage

Dating apps spend fortunes developing algorithms to help people find their perfect match. But few can rival an intelligence agency determined to make someone fall in love.

For generations, intelligence services have exploited romantic relationships to extract secrets, blackmail officials and infiltrate powerful institutions. Now, allegations involving Nvidia CEO Jensen Huang and a suspected Chinese intelligence operative have brought the practice into the global race for artificial intelligence.

At the center of the controversy is Alice Huang, a former executive at Singapore-based Megaspeed who reportedly had an affair with the Nvidia chief. Although Jensen Huang has acknowledged being unfaithful to his wife, he has not identified the woman involved. American intelligence officials reportedly suspect Alice Huang of gathering information for Beijing and seeking to influence Nvidia's approach to U.S. semiconductor export restrictions.

Nvidia has launched an independent investigation, while Beijing denies the allegations. Whether the relationship was orchestrated for espionage, or whether any secrets were compromised, remains unresolved.

But the methods allegedly at play have a history stretching back decades.

Intimacy as a weapon

In 1954, a British embassy clerk in Moscow named John Vassall fell victim to what Britain's National Archives explicitly describes as a KGB “honeytrap.”

The operation began with a gathering at a Moscow hotel, where Vassall was photographed in compromising sexual circumstances with other men. Months later, Soviet intelligence officers confronted him with the photographs and threatened to expose him unless he cooperated.

The KGB had exploited a particularly powerful vulnerability. At a time when sexual relations between men were criminalized in Britain, exposure could have destroyed Vassall's diplomatic career, ruined his reputation and potentially led to prosecution.

He subsequently began supplying Soviet handlers with classified naval information, continuing after his return to London in 1956. What began as blackmail eventually involved financial payments. By the time of his arrest in 1962, Vassall had spent approximately seven years passing secrets to Moscow. He was sentenced to eighteen years in prison.

But coercion was only one approach. During the Cold War, East Germany's intelligence services systematically cultivated romantic relationships, discovering that emotional attachment could provide another powerful means of obtaining secrets.

The Romeo spies

Under intelligence chief Markus Wolf, East Germany turned romantic deception into a systematic recruitment strategy. Male operatives, known as "Romeo spies," cultivated relationships with women working in West German ministries, embassies and intelligence institutions.

Agents studied their targets' interests and vulnerabilities, arranged seemingly accidental encounters and developed relationships that could last years. Rather than relying exclusively on blackmail, they sought to exploit emotional attachment to secure cooperation.

One particularly elaborate operation involved a woman codenamed Inge, who met an East German operative while vacationing on Bulgaria's Black Sea coast. When a newspaper exposed his involvement in an earlier espionage scandal, he confessed his true identity. Inge nevertheless continued the relationship.

East German intelligence subsequently financed her training in French and stenography, helping her secure a position in the West German chancellery. There, she secretly photographed and copied confidential documents.

When Inge expressed her desire to marry her lover, the intelligence service staged an entire wedding, complete with vows, rings and a marriage register. Only after her arrest in 1977 did she discover that the marriage had been a hoax.

Another operation, involving Gabriele Gast, proved even more consequential.

In 1968, Gast was researching her doctoral thesis in East Germany when she met a man calling himself Karl-Heinz Schmidt, a seemingly ordinary technician who became her lover.

Schmidt was actually an intelligence officer named Karl-Heinz Schneider. Once Gast had developed feelings for him, his superior confronted her with accusations that she was a Western spy. He suggested that cooperation with East German intelligence would resolve the situation and allow her relationship to continue.

Gast agreed. She received espionage training and, in 1973, joined West Germany's foreign intelligence service, the BND. There, she supplied East Germany with sensitive information for seventeen years, eventually becoming deputy head of its Soviet Union analysis section.

Arrested in 1990, Gast discovered that her lover had concealed his real identity throughout their relationship. At her trial, Schneider testified that his role had been to lure her into espionage. She was sentenced to six years and nine months in prison.

From stealing secrets to cultivating influence

In 2011, a Chinese student named Christine Fang enrolled at California State University, East Bay. She soon became a familiar face at political fundraisers, civic gatherings and events attended by local officials. But according to American intelligence officials, her interest in politics went well beyond student activism.

Fang was suspected of working for China's Ministry of State Security. A 2020 Axios investigation revealed that, between 2011 and 2015, she cultivated relationships with rising American politicians, including romantic or sexual relationships with at least two mayors in the Midwest.

Rather than extracting classified documents, Fang's suspected activities focused on political access, allowing intelligence officers to learn about rising politicians and potentially influence them as their careers advanced.

Among those she approached was Eric Swalwell, whom she met in 2012 when he was a city council member in California. He entered Congress the following year. Fang subsequently participated in fundraising for his 2014 reelection campaign and reportedly helped place an intern in his congressional office.

Although Fang had reportedly pursued romantic relationships with other politicians, there is no public evidence of such a relationship with Swalwell or that he provided her with classified information. Their contact ended in 2015, after the FBI warned him about her suspected intelligence connections, and Fang subsequently left the United States.

New platforms, new targets

Where Stasi agents once arranged seemingly accidental encounters, intelligence officers can now identify potential targets through social media and professional networks, studying their careers and connections before making contact.

In June 2026, the Five Eyes intelligence alliance warned that Chinese military intelligence officers were posing as recruiters on platforms including LinkedIn, Indeed and Upwork to approach people with access to sensitive information. Using fictitious consulting firms and employment agencies, they offered paid assignments before seeking privileged information.

These operations relied on professional opportunities rather than romance, but the underlying strategy remained familiar: cultivating trust before seeking access to sensitive information.

Intelligence services have also expanded their targets beyond government institutions. Corporate executives and researchers can hold information about emerging technologies and commercial strategies that may be as valuable as traditional state secrets.

The allegations involving Nvidia's Jensen Huang have brought these concerns into the competition over advanced semiconductors. On November 10, the company's independent directors appointed former federal prosecutor Joon H. Kim and his law firm to investigate reports that Huang had been targeted by foreign intelligence.

Nvidia maintains that it has no reason to believe company secrets or American national security were compromised.

The methods of espionage have evolved with new technologies and targets, but human trust remains one of intelligence's most valuable assets. Exploiting it can come at a considerable personal cost.

Behind these operations were people whose feelings were genuine, even when the relationships were not. But as former East German intelligence chief Markus Wolf once put it: “I was running an intelligence service, not a lonely-hearts club.”